Merge "AudioService: stop SCO audio when communication route client dies" into sc-qpr1-dev am: f369d1dd62 am: 32c97285db am: fd6dc01c03

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15612138

Change-Id: Ibd5213d7779364125c9ae9175f911e0ccf0b29b1