Merge "AudioService: log stream mute events" into udc-dev am: b9683d61 am: 92d59bd7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23078515



Change-Id: Ie01ad18801fc1241f1479ad3faa7159764292236
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>