Test: build. Samsung mobile devices.
Change-Id: I16f5aaff99ad6d2b6813a75ddbb4c97beb7aa2d8
Merged-In: I8153f1d6ecd850953369dd664da88915c3842bb5

Children's ProjectBackwards is not applied. So it's skipped so far.
This fix a problem that first ripple bg is not shown properly.
:It uses ProjectBackwards&ProjectReceiver concept.

For deeper understanding, refer to
https://partnerissuetracker.corp.google.com/issues/173476923

Test: aosp build , Full test on samsung mobile device
Change-Id: I36a1bc95673093ba2c886703974bf672c53c2cf3

* changes:
  fdtrack: GC before checking fd count.
  Move system_server fdtrack implementation to Java.

* changes:
  Wrap the escrow data with key from keystore
  Load and generate key from keystore in reboot escrow

* changes:
  Add utility methods for creation of NetInfo, NetCaps, and LinkProps
  Add VcnGatewayConnection state skeleton, signals and fields

* changes:
  Revert "OverlayDeviceTests: add missing TEST_MAPPING"
  Revert "OMS: replace OMSImpl.OverlayChangeListener with return v..."
  Revert "OMS: block until settings are persisted"

This reverts commit 85e0ad79.

Reason for revert: b/177411288 broken test

Bug: 177411288
Bug: 175662146
Change-Id: I02a25b83e62ab9a2ed22a98530d62b08de73f56e

Generally, a manager class in Android is used to access
system services and it should be obtained from Context.
This class is a bit different from the definition of a
manager class.

API linter will detect an error if trying to expose a
class name end with Manager. ProxyTracker will create a
new instance of this class so this class needs to be
renamed to avoid API lint error.

Bug: 177035719
Test: FrameworksNetTests
Change-Id: I9185d4fb4342bd285a575f0bdd3518b758f37eb6

Test: TH
Change-Id: Ic864524a60954f8dbcce265643c2cb3ac3aefca8

The first parameter of adding idle timer is an unique identity
to communicate between ConnectivityService and netd. Netd will
notify the activity change using the identity, so it's fine to
replace the legacy type with transport type since we should
deprecate the usage of legacy type.

Bug: 170598012
Test: atest FrameworksNetTests
Change-Id: Ia00606539b86872cca9a92285bd940c8a720a033

Change-Id: I08cf0635715290a3baba049a81b35bcad0eddb03

Factor out a class to handle the aes encrypted blob, and
further encrypt the reboot escrow data with a local key
from key store.

Bug: 172780686
Test: atest FrameworksServicesTests:RebootEscrowDataTest \
            FrameworksServicesTests:LockSettingsServiceTests \
            FrameworksServicesTests:RecoverySystemServiceTest \
            FrameworksServicesTests:RebootEscrowManagerTests ;
      atest CtsAppSecurityHostTestCases:ResumeOnRebootHostTest
Change-Id: Id0e18bef4d3b194a254fa1755cd17a43a7b6e5bc

Revert submission 1507500-oms-transactional-api

Reason for revert: b/177065099
Reverted Changes:
Ie5344c53d:OMS: add tests for the OMS transactional API
I8f54e1532:Push OverlayDeviceTests onto /system
I63df58510:OMS: add transactional API
Idacc0c67e:OverlayDeviceTests: add missing TEST_MAPPING
I2452f789a:OMS: block until settings are persisted
If58d5e9dd:OMS: replace OMSImpl.OverlayChangeListener with re...

Change-Id: I340786384a62b24b103910d0924dd089a7f60a81

According to the design, we need to wrap both reboot escrow key
and reboot escrow data with an additional key from android
keystore. The new key in keystore is created upon a new resume on
reboot request, and cleared after decryption is attempted at boot
time.

Bug: 172780686
Test: atest FrameworksServicesTests:RebootEscrowDataTest \
            FrameworksServicesTests:LockSettingsServiceTests \
            FrameworksServicesTests:RecoverySystemServiceTest \
            FrameworksServicesTests:RebootEscrowManagerTests

Change-Id: Ie2b5f559fb5d3217337e31b0dff507b98715384d

Revert submission 1507500-oms-transactional-api

Reason for revert: b/177065099
Reverted Changes:
Ie5344c53d:OMS: add tests for the OMS transactional API
I8f54e1532:Push OverlayDeviceTests onto /system
I63df58510:OMS: add transactional API
Idacc0c67e:OverlayDeviceTests: add missing TEST_MAPPING
I2452f789a:OMS: block until settings are persisted
If58d5e9dd:OMS: replace OMSImpl.OverlayChangeListener with re...

Change-Id: I9e7d79d767b2474ecea78907e98c86b244055bac

ConnectivityService is going to become a mainline module which
is not able to access hidden APIs. NetworkPolicyManager will be
part of connectivity framework sources which should also not
access hidden APIs. Thus, replace usage of UserHandle.isApp()
by public Process.isApplicationUid() instead.

Bug: 170598012
Test: m
Change-Id: I6eecc618d574352b924cb5f33f364e2dca9d730f

Revert submission 1507500-oms-transactional-api

Reason for revert: b/177065099
Reverted Changes:
Ie5344c53d:OMS: add tests for the OMS transactional API
I8f54e1532:Push OverlayDeviceTests onto /system
I63df58510:OMS: add transactional API
Idacc0c67e:OverlayDeviceTests: add missing TEST_MAPPING
I2452f789a:OMS: block until settings are persisted
If58d5e9dd:OMS: replace OMSImpl.OverlayChangeListener with re...

Change-Id: Ia7b472238e1a6e6867054fbc053bd5c7a34ff23a

Add new capability to indicate whether a network is
managed by Virtual Carrier Network (VCN). This is needed
to identify networks between VCN managed network and
others. And this capability will be:
  1. mutable
  2. requestable
  3. set by default for network agents and requests
  4. allowed for test networks

Test: 1. atest FrameworksNetTests CtsNetTestCases
      2. adb shell dumpsys connectivity
      3. atest ConnectivityServiceTest#testLoseMutableAndRequestableCaps
Bug: 175662146

Change-Id: Ia5eeb3912a687164fa95d7ba5516fd73abca79ba

After this CL, ConnectivityService no longer needs to grab the
VPN lock and access Vpn objects to determine connectivity state.

Also make a synchronized (mVpns) block smaller.

Bug: 173331190
Test: existing tests in ConnectivityServiceTest
Change-Id: I3297b3ab8e75bdf4902c62dd7e492c3634cfc51f

* changes:
  NetworkWatchlistServiceTests: update IIpConnectivityMetrics.
  Stop using IIpConnectivityMetrics in ConnectivityService.