If remote device stop the encryption before we call "Read Encryption Key Size",
we might receive Insufficient Security, which means that link is no longer
encrypted.

In such cases we should stay connected, rather than disconnecting the
link.

Test: Connect to device that stop encryption right after encryption is
complete, i.e. to change roles.
Bug: 124301137
Bug: 132626699

Change-Id: Iab0fd9f357d18a6b048b971d0393fbb47fd4d793

* Rename the HH event polling thread to bt_hh_thread
* HH event polling thread is created by bt_main_thread
  with RT priority. Lower the thread priority since the
  tasks in this thread is not timing critical

Bug: 131787936
Test: Connect to a HID device
      Run "adb shell ps -A -T -Z -O rtprio"
Change-Id: Ibd983e96bc339393842d4c2e2aa226534095e225
Merged-In: Ibd983e96bc339393842d4c2e2aa226534095e225

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Change-Id: Ice9aadfba47ba6e146de0123f17d7703b650605a

- Do not stay in bonding state if the device is paried but still
  discovering service.
- Report BOND_BONDED to Java after authentication for a classic
  Bluetooth device is completed.
- Send BONDING event to Java when static identity address is
  first obtained during crosskey pairing
- Send BONDING event to Java for the initial random address
  before send BONDED event
- Do not send bond event for static identity address when SDP is done.
- Make sure pairing control block always get cleaned up when both SDP
  and pairing are done
- Send empty UUIDs to Java layer to unblock bonding intent broadcast
  when SDP fails

Bug: 79703832
Test: runtest bluetooth, regression test
Change-Id: I60d8883e6d095b440cce49686a2049c8b5660235
Merged-In: I8a98ba2178039e25c65fc701855066a8788312e6

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Change-Id: I13263a937d23bbfd624afcb92f5a4b76f240a258

When audio is suspended or resumed, we are notified by OnAudioSuspend or
OnAudioResume callback. Unfortunately, when we are the one triggering
the HearingAidAudioSource::Stop(), we would not receive the suspend
callback. This is causing HA to believe audio is being streamed when
it's not.

This patch fixes that by setting audio_running to false when we make
call to Stop()

Bug: 132793574
Test: Play audio, restart Hearing Aid, verify START command is not being
sent

Change-Id: I3c4551114ac275ea8c72f64a8d036373429acd6d

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