Merge "Merge "[Media] Update background gradient scrim to use album theme colors." into tm-dev am: 64bf097a am: f5179d41" into tm-d1-dev-plus-aosp am: 352f78c1

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17896371



Change-Id: I48d04f86f49be3b3272e0c1e80ba8016f6dae5ab
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>