Merge "[Media] Ensure that we update the seekbar visibility whenever its...

Merge "[Media] Ensure that we update the seekbar visibility whenever its enabled status changes." into tm-dev am: 94d8a423 am: a74f1c86

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17804545



Change-Id: Id80838783802c3f43e0dbb1c7ac0c5059eb498a0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>