Merge "Fixes black flash when starting preview" into udc-dev am: 6fd54a10b0

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/WallpaperPicker2/+/23379751

Change-Id: I9cd01e4f6140a5b77b3afa5c7dfcdef97e4ffd12
Signed-off-by: Automerger Merge Worker <[email protected]>