Merge "Revert "a11y volume slider focus"" into udc-dev am: a59313c1 am:...

Merge "Revert "a11y volume slider focus"" into udc-dev am: a59313c1 am: 658aea5a am: 6982c987 am: e0bf2a53

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



Change-Id: If67c2eb8a367da8b1c1b717cae4dc39671d61c74
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>