Merge "Handle Active device changed A2DP <-> Hearing Aid" into rvc-dev am: afe43da899 am: 870c2eb28a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12004939

Change-Id: I8a39a8667097265f677a1e930d1ee62de4bc38b3