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

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



Change-Id: I60846ae880dbdfd8d398cc81b09478e2293e30e9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>