Merge "Move Volume control Binder calls to worker thread" into tm-dev am:...

Merge "Move Volume control Binder calls to worker thread" into tm-dev am: 6f8b2f6d am: 7c9fa45a am: 460cad0e am: 05809f64

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



Change-Id: I183e787669d8fff4759d30e3593a6c5424e93ba4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>