Merge "Adds color update notification when setting lock screen live wallpaper"...

Merge "Adds color update notification when setting lock screen live wallpaper" into udc-dev am: 61b756aa am: 3e431cba

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22704671



Change-Id: Iaeeb956184262def129da50edd716cd53cb5f3ae
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>