Merge "Revert "a11y volume slider focus"" into udc-dev am: a59313c1 am: 177bcd94 am: eb31c6bc

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23694643



Change-Id: I43e40abed3d1459bfc0c155b55ab1524b237dc66
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>