aosp aidl bluetooth audio hal implementation am: b03b5c4a06 am: 412aafd1eb am: b9b937cce7 am: 0d3cbd412d

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2624193

Change-Id: I0e601c11a91b7813294b7d61706e24d02254748a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>