Merge "BLE audio: support assigning volume at BLE device connection" into tm-qpr-dev am: bfe6b276

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19235354



Change-Id: Ie6cfc5d69fb7f8f22aee29c1bbc4dae68aee849b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>