Merge "Intensify media player gradient at the edges" into tm-qpr-dev am: 198f6aac am: 2f5b89b2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21969081



Change-Id: Ie3fb81b69dc8de16d49b07a4d450293292751b12
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>