Merge "Remove unneccessary a2dpDeviceChanged variable" am: 98919aff22 am: 6fda0e3638 am: c6d6cd23bd

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/1646948

Change-Id: Idb8bd6ae238815e2024b93b04426f6b15de41916