Merge "Make notif background ripple default color" into sc-dev am: b4a705aa...

Merge "Make notif background ripple default color" into sc-dev am: b4a705aa am: ed75dbaf am: 27df8135

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14390066

Change-Id: I726a8a71049f342f55d70858d5c53c1f527386d5