Merge "Even though the state of the ImsFeature is set to STATE_UNAVAILABLE,...

Merge "Even though the state of the ImsFeature is set to STATE_UNAVAILABLE, fixed CapabilityCallbackManager#unregisterCallback to complete successfully." into tm-dev am: d0b57794 am: 8fe466fb am: 417cef92

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/net/ims/+/17693429



Change-Id: I59e3874374e28596809144cb748256b21d8894a3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>