Merge "AudioService: Add metrics for audio mode" into rvc-dev am: 148c8bc210 am: 8eae5a9c67

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

Change-Id: Ib5bef061552039a473552f7f2ca3617ed876a4be