Merge "Support CMF default wallpaper" into udc-dev am: 275eeea9 am: 0828457b am: 613a0ef2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23004845



Change-Id: I0269fec5c3d73164781acf536b4a1a009c5cd700
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>