Merge "Use shared background color animation for settings activity" into tm-dev am: 73790740

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/17875203



Change-Id: I8c53fb1f523bab006a4a70870c81d9e47995804f
Ignore-AOSP-First: this is an automerge
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>