Merge "a11y volume slider focus" into udc-dev am: 750f874b am: 17ec65b0...

Merge "a11y volume slider focus" into udc-dev am: 750f874b am: 17ec65b0 am: 8a2b9bb0 am: ecca5c91

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23601058



Change-Id: Ib4ece0e1f6d9f763a1fc1276b029ac2693879c29
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>