Merge "Add an explicit media indicator icon to SysUI media controls" into tm-qpr-dev am: 4fd565a8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20712918



Change-Id: Iebb7a33695836dfed215edf81a8d59d67170bb43
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>