Merge "Reset notification shade background tints when theme changes." into...

Merge "Reset notification shade background tints when theme changes." into tm-d1-dev am: abf75512 am: d5c81a8d am: aa989079

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18868865



Change-Id: I36a038a5c559fecf8bea15e1783e034a3883c49c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>