Merge "AudioService: Add metrics for audio mode" into rvc-dev am: 148c8bc210 am: e502c6aa15 am: f332fc9ccd

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12065323

Change-Id: I6591238d76c96c28c27cc2c10856f761f3d36e75