Merge "Update downloadable badge color and grid item radius" into sc-dev am: 4c9517c5f1

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/WallpaperPicker2/+/14895635

Change-Id: I98362caa9aa25d798936a83ec47b7a4fe5f6a698