Merge "Merge "AudioService: fix BT SCO volume mute" into tm-qpr-dev am: 77c92478 am: e5a19023" into udc-dev am: 67f57149 am: 11062f30

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21756379



Change-Id: I6a5756293ece4a6786fcce4bb082c630ba881cb7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>