Merge "Add redundant tint to notification and footer button backgrounds." into udc-dev am: 43439de6 am: 6999e378 am: 37a7a0f7 am: b59c3e57

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



Change-Id: I8befd9d7cccf4b94f4dbc514b32a607ed120008c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>