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

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



Change-Id: Ifeecb5e51834474a81856e89d448189d0b006f37
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>