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

Merge "AudioService: log stream mute events" into udc-dev am: b9683d61 am: 92d59bd7 am: b0de431b

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



Change-Id: Iedfaa9eba780e2208b6f908d63e2d0d5998732fb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>