Merge "Add new aidl interface for android.hardware.bluetooth.audio" am:...

Merge "Add new aidl interface for android.hardware.bluetooth.audio" am: e0a7d60d am: 8f191590 am: 81bef728

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1860894

Change-Id: I65a6e71722b38d7477a315fecc2326340b979c1f