Merge "BluetoothVolumeControl: Add default implementation to deprecated callback API" into main am: efdde0fc60

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2995270

Change-Id: I35cce772511b3474599a76198702e2cb5cd3b454
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>