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

Merge "Revert "a11y volume slider focus"" into udc-dev am: a59313c1 am: 177bcd94 am: eb31c6bc am: 37f7ebf9

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



Change-Id: I6245d3f3c1adc8c1caa3cb6687532b8cfb1bf674
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>