Merge "AudioService: stop SCO audio when communication route client dies" into sc-qpr1-dev am: f369d1dd62 am: 930426c81b

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

Change-Id: I78498483cf546108bce10aaee7dd9755c12aa6d7