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: If6359cbcbf76953c6108de3bc5e03ad9341bf8b3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>