The feeding_init call is not used anymore - it has been superseded
by the newer A2dpCodecs.setCodecAudioConfig() mechanism.

Also, moved aptx_init_framing_params() and aptx_hd_init_framing_params()
calls to the corresponding encoder_update functions.

Test: A2DP streaming to Bluetooth headsets
Change-Id: I52f42b4701d04fe2ddb8f115bb9cd57fe38e2b38

* Add compile-time dependency on the libldacBT_enc module
  in external/libldac
* Use the <ldacBT.h> header and remove local typedefs and defines

Also, fix an initialization issue of the LDAC handler
inside file a2dp_vendor_ldac_encoder.cc

Bug: 30958229
Test: A2DP streaming to LDAC headset
Change-Id: I3757230c9901509daab36f2b2018faa05490171d

Bug: 30622771
Test: sl4a UniqueFilteringTest BleOpportunisticScanTest
Change-Id: I0e6ca8ed3d7d98057277a5187e684246f410d978

Bug: 30622771
Test: sl4a FilteringTest
Change-Id: Ib4edfa40038ca59c37ae1dfc763f0cac563177d7

Bug: 30622771
Test: sl4a FilteringTest
Change-Id: I93b4f1275b9437a20cf1429d184dbefa79451986

Bug: 30622771
Test: sl4a FilteringTest
Change-Id: I58f3c335e84b4d7ee578c321109125084826efa0

Calls to BleScannerInterface are already made using jni thread.
Also all this calls do is scheduling to BTA thread, so remove
unnecessary call to do_in_jni_thread

Bug: 30622771
Test: sl4a FilteringTest
Change-Id: I2c799dde720f9bc694fecacd6d3959b96c1b9ba8

This patch use callbacks, instead of custom event queue when scheduling
LE filter VSC.

Bug: 30622771
Test: sl4a FilteringTest
Change-Id: I64ac4392883c647d1e500c257c31a8d3e740a0a8

Test: start connectable advertising using bluetoothtbd
Change-Id: Ie7e42570748d43a27bc7691378aee85ab1565a05

Test: start advertising using bluetooth-cli
Change-Id: Iead31c5e73a70850c6a209b6bbbeaeb792202608

* libpower dependency was introduced in change
  I1e8d49b087eff6301373e1e90e8d868f15847c34
* It is never used in any part of the system/bt stack and therefore
  should be removed from the shared library dependency list

Bug: 34079981
Test: code compilation, no user visible effect
Change-Id: Ic8e3ad0c369839fb9ced446695c72fdf0ffad1ca

Currently the upper java layers have full support for all four
connection states, yet the lower stack only reports about
"connected" and "disconnected".
This patch adds sending "connecting" and "disconnecting" messages
when bta_hd_connect_act and bta_hd_disconnect_act finish
successfully.

Test: build, run, logcat
Change-Id: I00f9f414daa3854198ff9eee19e9c98a2e18f603

Name must be appended at end, not beginning.

Test: run bt-example-hr-server --advertise
Change-Id: I70909e0bfc94521c396908d0dcb78cf4439a7e63

Test: build with ninja and mma
Change-Id: I31688da8a554ed71b580c30a0e4c000ea4903d70

Test: build with ninja
Change-Id: I4993dae7f76479da9bfad70aae88cc51fd7127d5

* The names of the expected aptX and aptX-HD shared libraries are
  updated to reflect better their purpose:
  - aptX: libaptX.so -> libaptX_encoder.so
  - aptX-HD: libaptXHD.so -> libaptXHD_encoder.so

Also:
* Add a missing upcall with the codec info the first time the codec
  is selected internally
* Minor cleanup

Bug: 30958229
Test: A2DP streaming to aptX/aptX-HD headsets
Change-Id: Ib2bfc83823190fb7a057353eb47cd71c5b4d5a3a

The codec can be used if the encoding shared library is installed
on the device:
 libldacBT_enc.so

Also, increased the maximum number of SEPs AVDT_NUM_SEPS from 3
to 6 to accomodate Sink devices that support more than 3 codecs.

Test: A2DP streaming to LDAC headsets
Bug: 30958229
Change-Id: I114c3e6be2ebe1ac8aece62a3146637d37cd938e

* Fixed A2DP duration counting. It is now counting from music play start
  to music play end.
* Start logging a2dp connection as Bluetooth sessions. Currently, only
  A2DP connections are logged. Thus the bluetooth session length will be
  the total connection length and the length within A2DP session message
  will be the audio connection length.
* Add a audio_duration_millis field in A2DPSession to record audio duration
* Add bonded memory constraint for metrics entries
* Use a builder mechanism to only build metrics upon dumping
* Refactor metrics module into BluetoothMetricsLogger class
* Created unit test for BluetoothMetricsLogger

Bug: 33694310
Test: Code compilation, Unit test, BtFunhausMetricsTest
Change-Id: Iea2a997c4ea074687a5d50860e9229f0e1b82659

* LeakyBondedQueue is a fixed size queue that leaks oldest item when
  reaching its capacity. This is useful in creating memory bonded data
  structure where freshness is more important than full coverage.
* The queue is protected by a simple mutex and is thread-safe, although
  improvements could be made to lock enqueue and dequeue separately, it
  is not implemented at this moment due to lack of demand
* The queue uses unique_ptr to automatically free its content when it is
  destructed
* Add several tests to verify its API and memory management
* This data structure will be firstly used in the metrics module

Bug: 33781460
Test: Code compilation, unit tests
Change-Id: I51cb73666ac58e4792d9cba0d6f16dad30a0ff39

Each of the codecs can be used if the corresponding encoding
shared library is installed on the device:
 - aptX: libaptX.so
 - aptX-HD: libaptXHD.so

Test: A2DP streaming to aptX and aptX-HD headsets
Bug: 30958229
Change-Id: I1ca36da653721576f5a5b6bdac186b9ea2790c85

Script erroronously modifies UINT8_TO_BE_STREAM() to
uint8_t_TO_BE_STREAM(). Modidy the script to prevent that.

Test: Manual; Run the script on system/nfc
Change-Id: I9e130b8eb79e400282233fad7da206b4bb1301af
Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>

This fixes an inappropriate sscanf return value judgment that
res check here is not needed while res2 is the one that need to be checked

Test: mm -j 8
Change-Id: I3e332286c9434d5b9d01421f5f421039f84ad6c7

By default, enabling the HID Device service is only possible
during disabling the HID Host service. If, on the other hand,
the HID Host service was never initialized, then a request to
enable the HID Device service should just be executed
immediately.

Test: manual, on a device without the HID Host profile.
Change-Id: I2ab4b8aec413b66d57eb322d38660f1b4c48ba32

* Codec config internal abstraction:
 - Add new classes A2dpCodecConfig and A2dpCodecs that (will)
   encapsulate all codec-related APIs
 - Add unit tests for the above two classes
 - Add method A2dpCodecConfig.buildCodecConfig(), and use it when
   creating the codec configuration instead of A2DP_InitSource2SinkCodec().
   The new method can build the codec config by taking into account
   optional user codec-related configuration preferences.
 - Use the A2DP codec config API from the hardware/libhardware bt_av.h API
 - Replace enum tA2DP_CODEC_SEP_INDEX with btav_a2dp_codec_index_t
   from the bt_av.h API
 - Move codec-specific functions from stack/include/a2dp_api.h
   and stack/a2dp/a2dp_api.cc to stack/include/a2dp_codec_api.h
   and stack/a2dp/a2dp_codec_config.cc
 - Create a new base class A2dpCodecConfig() to hold some of the
   codec-related state, and implement the corresponding A2dpCodecConfigSbc
   and A2dpCodecConfigSbcSink derived classes.
 - Move A2DP spec-related constants from stack/include/a2dp_api.h
   to stack/include/a2dp_constants.h
 - Move A2DP-related error codes from stack/include/a2dp_api.h
   to stack/include/a2dp_error_codes.h
 - Move A2DP SBC spec-related constants from stack/include/a2dp_sbc.h to
   stack/include/a2dp_sbc_constants.h

* Implement the backend mechanism for handling user (re)configuration of
  A2DP Source codecs as requested via the JNI API calls.
  Also, any codec changes are reported back via JNI API callbacks.
  The current audio parameter selection (sample rate, bits per
  sample, channel mode - mono/stereo) is as follows:
  - If the user selected parameters are acceptable (based on
    local codec capability and the remote Sink capability),
    those parameters are used.
  - Else if the Audio HAL's requested parameters are acceptable,
    those are used.
  - Else if the default settings are acceptable, those are used.
  - Else use the best match among the local and the remote device's
    capabilities.

* Update the mechanism for handling OTA configuration requests from the
  remote Sink device.
  - The OTA prefered codec configuration is ignored if the current
  codec configuration contains explicit user configuration, or if the
  codec configuration for the same codec contains explicit user
  configuration.

* Refactor the Audio HAL <-> Bluetooth audio parameter negotiation
  mechanism:
  The new mechanism gives some flexibility to the Media Framework to
  choose the appropriate audio format (sample rate, bits per sample,
  and channel mode - mono/stereo), and at the same time allows
  the Bluetooth stack to double-check / overwrite the choice.
 - out_get_parameters() on the Audio HAL side asks the Bluetooth stack
   for all currently supported formats (for the current codec),
   and returns them to the Media Framework: sample rate, bits per sample,
   and channel mode (mono/stereo).
 - The first time adev_open_output_stream() is called on the Audio HAL,
   it asks the Bluetooth stack about the audio format currently selected
   by the Bluetooth stack (based on codec negotiation with the Sink device,
   and User Configuration).
 - The second time adev_open_output_stream() is called on the Audio HAL,
   its "config" will eventually contain the audio format selected
   internally by the Media Framework. That audio format is sent to the
   Bluetooth stack.
   If that format is acceptable to the Bluetooth stack, the Bluetooth
   stack will reconfigure itself internally, and will respond back with
   those values. Otherwise, it will respond back with the values that
   should be used instead.

* Misc other fixes and refactoring:
 - Fix the BTA handling of A2DP codec reconfiguration
 - Fix a bug in the implementation of A2DP_BitsSet(), and add the
   approriate unit test. Also, fix the code that was using this function
   incorrectly.
 - The SBC encoder is compiled as a separate library
 - Replace leftover usage of "false" with "FALSE" for macros, and
   vice-versa for variable values.

Test: A2DP streaming to headsets, TestPlans/71390
Bug: 30958229
Change-Id: I440b6126e2250e33b0075f9789dd93154c007c2b

BTA closure doesn't keep the HDR messages any more, test have keep track
of HDR pointers for itself.

Bug: 33947176
Test: test/run_unit_tests.sh  net_test_bta
Change-Id: I32994f248dc2e082bf8bed426a32acf677c58ed5

With this change, when the app requests a connection to a
specific device, it is always "plugged" first.
Unplugging the previous device is left for the app to do.

Test: make
Change-Id: I2e27c12e2ee96d0c311615a3853d8c430f3b2c31

BTA layer for scanner is very complicated. This patch simplifies it:
* get rid of type redeclarations for BTM types
* get rid of trivial *_act methods and call BTM API directly where possible

Bug: 30622771
Test: slra FilterTest
Change-Id: I3899b30074b2abc4a3945c5cc14f1bb40a504876

Attach posted_task to the HDR message, instead of using a queue.

Bug: 33947176
Test: re-run sl4a FilteringTest 3 times with no flakiness
Change-Id: If0b69e82d11eeae52ac8e591bebff634073251f1

This patch adds support for HID Device role in bluedroid stack allowing
DUT to be used as Keyboard or Mouse.

Bug: 33011576
Change-Id: I45b581a54f6c7bbc1f25226715a7ea23e34255c0

This patch improves btu_hcif_send_cmd_with_cb, which will accept
base::Callback instead of function pointer as argument. It will also
carry information about where was packet send from, which can be
displayed when command status is received, greatly improving logs.

The improved method is also used for handling VSC advertising.

Bug: 30622771
Test: sl4a ConcurrentBleAdvertiserTest
Change-Id: I55c3e32f9231c00bfa85f971265809d6f1fecdfb

When BLE_VND_INCLUDED is not set, advertising was not properly
initialized, which resulted in stack crashes. This patch makes sure that
LE advertising is always properly initialized

Bug: 33168939
Test: enable LE advertising with BLE_VND_INCLUDED set to false
Change-Id: I5fa0b3da39da99e750e1f8b6f0452a628094bfc4

p_cond_param->srvc_uuid is of type tBTA_DM_BLE_PF_UUID_COND

Bug: 33910711
Test: sl4a FilteringTest
Change-Id: I6b30e1e441f8256d8c8dbf593f746a3d7810eda6

Using the pointer to the beginning of a union in a member of the union,
which will then be over-written, is a bad idea(TM).

Bug: 33910711
Test: manual
Change-Id: I0b979e493688bf8c02119a2ef6707d6c8e730dcb