Merge "a11y volume slider focus" into udc-dev am: 750f874b am: 543b3060 am: 015a59be

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



Change-Id: I0c50ebaf854e1e42df143d298f496a43520f619c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>