Merge "Revert^2 "[Media] Update background gradient scrim to use album theme...

Merge "Revert^2 "[Media] Update background gradient scrim to use album theme colors."" into tm-dev am: 3c7d69d9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18030063



Change-Id: Ia105d6d1d9fd019a416c2d4ff620e37812859970
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>