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

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



Change-Id: I134bdf715e37f4d6e6fa8c81faa9c35272311065
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>