Merge "Invoke redraw callback for wallpaper if size is changed" into udc-dev...

Merge "Invoke redraw callback for wallpaper if size is changed" into udc-dev am: 25aa2d3c am: f0b5cfce

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



Change-Id: Iceb8f36f26ff755d451fe04f0ae370d4bf1f8d75
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>