Merge "Support CMF default wallpaper" into udc-dev am: 275eeea9

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



Change-Id: I4a06a5d74b2fed5b27b0330e4862e6f4a54bfa7e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>