Merge "Move Volume control Binder calls to worker thread" into tm-dev am: 6f8b2f6d am: 7c9fa45a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18350527



Change-Id: I54244ee5d485e0c7902a9a60f3c52dd8ee1ae41a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>