Merge "Adjusting button container for set wallpaper" into udc-dev am: d85b945d31

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/WallpaperPicker2/+/23517220

Change-Id: I61159b70672343e67ddd9b4b8c8ab8dee14fa87f
Signed-off-by: Automerger Merge Worker <[email protected]>