API level 30 upgrade: AOSP WallpaperPicker am: 5057292d15 am: d39dc6b8ca am: 9c609dda64

Original change: https://android-review.googlesource.com/c/platform/packages/apps/WallpaperPicker/+/1782087

Change-Id: Iefabeae4d3c9c9e5f41355dd95cd9c134cf4276e