Merge "Use shared background color animation for settings activity" into tm-dev am: 7379074007 am: 4a8d162888

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

Change-Id: I96eac233e4eea68782a849f81bbae657672d7805
Ignore-AOSP-First: this is an automerge
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>