Merge "Invoke redraw callback for wallpaper if size is changed" into udc-dev am: 25aa2d3c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23444857



Change-Id: Ib2d46ea0117981bc386246271a41bdfee02f25c0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>