Merge "Add redundant tint to notification and footer button backgrounds." into udc-dev am: 43439de6 am: 793be9a4 am: 300e61eb

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23214856



Change-Id: Iebcd07e72fb51fd838cef007b93b3e48d332de3b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>