* changes:
  Implement Network policy in VcnManagementService.
  Unit test UnderlyingNetworkTracker.
  Register NetworkCallbacks in UnderlyingNetworkTracker.

Test: not needed as this is a meta file change

Change-Id: I32f5205c4c1b771aae963a20e9a52fa7691ce271

* changes:
  Add the underlying networks to NetworkAgentInfo#toString.
  Improve testing for network blocking.

This is useful in debugging VPN networks.

Bug: 173331190
Test: manual
Change-Id: I4f38a53980191a1813c2ef313fedc51af98f18f6

This simplifies the uidNetworkingBlocked method and makes it more
realistic by supporting more combinations of rules than just the
four used by this test.

Also support RULE_ALLOW_METERED, and add test coverage for it.

Test: test-only change
Change-Id: Id4f6c7f41429f3ae7841d3214b3e5e95ec591f85

Test: None

Change-Id: If6556c47fed63a01013ffa1a2a0ccc2afd774989

Change-Id: Ie35db2cfef32543e573bf701d2d523f5f1502161
Tested: N/A

Test: m -j doc-comment-check-docs
Fix: 177299683
Bug: 175662146
Change-Id: Iaa53d21774ea48af5fe339b57bf1235c77f295a0

Adds IMS SIP configuration bundle keys for User-Agent and
Cellular-Network-Info headers required by some networks.

Bug: 178606181
Test: atest CtsTelephonyTestCases:SipDelegateManagerTest
Change-Id: I389162ca0c6348580f6ee8bb6ce5ee3a4e84595e

Change-Id: Iffb8ded9ff5edc899ab38c74ffe3ad98793ca67c

This CL implements #getUnderlyingNetworkPolicy() for
VcnManagementService. Specifically, it takes the provided
NetworkCapabilities and checks for a corresponding VCN. If one exists,
a VcnUnderlyingNetworkPolicy will be returned with a copy of the
original NetworkCapabilities without the capability NOT_VCN_MANAGED and
with the unwanted capability NOT_VCN_MANAGED.

Any NetworkCapabilities without a corresponding VCN will be returned a
VcnUnderlyingNetworkPolicy with the original NetworkCapabilities intact.

Bug: 175914059
Test: atest FrameworksVcnTests
Change-Id: Icdffc4f586f58a0e5b6290d5c6449e2bbed5cab0

Bug: 177364490
Test: atest FrameworksVcnTests
Change-Id: I681b0bef27cdd1974a574e81b4b435578cd6e9cd

This CL updates UnderlyingNetworkTracker to register NetworkCallbacks.
UnderlyingNetworkTracker uses two types of NetworkCallbacks:
  - bringup requests
  - selection requests

Bringup requests ensure that VCN-managed Networks are not reaped.
Separate bringup requests are filed for wifi and cell Networks. One cell
request is filed for each subscription ID (subId) in the VCN's
subscription group.

Selection requests are used to allow ConnectivityService to perform
Network selection for the VCN's selected underlying Network (the Network
that VCN traffic will be routed through).

Bug: 177364490
Test: atest FrameworksVcnTests
Change-Id: Ic4dc13a3f7acf08589ddb25b343af2677cd7cf65

Bug: 178239287
Test: atest -c CtsTelephonyTestCases:android.telephony.ims.cts.RcsUceAdapterTest
Change-Id: I1bd2d0e0dc88dcd72e7c2682483c8039f4aa8927

quality signal

Bug: 173137125
Test: manual test check for regression
Change-Id: I38e70ea284707d39cec7cb4fbdfd36be4f83e403
Merged-In: I38e70ea284707d39cec7cb4fbdfd36be4f83e403

Merge "Add relative APIs for InCallService that can support self-managed connections that want to expose itself."

connections that want to expose itself.

Add PhoneAccount#EXTRA_ADD_SELF_MANAGED_CALLS_TO_INCALLSERVICE and
Connection#onInCallServiceTrackingChanged.

Bug: 161144815
Test: CtsTelecomTestCases
Change-Id: I0a42ea79a1cd46aa9df3399c4fa2e9396321778a
Merged-In: I0a42ea79a1cd46aa9df3399c4fa2e9396321778a

* changes:
  Suppress [CallbackInterface] metalava rule for mainline modules.
  Limit build visibility of modules in apex/...

* changes:
  Remove getFilteredNetworkState and add @NonNull in NetworkState.
  Add test coverage for get*NetworkInfo on metered networks.