Use check mark to indicate the applied wallpaper Spec: https://screenshot.googleplex.com/8fCqWYnxXNgwbAR.png https://www.figma.com/file/OG3c0WuO6IWtKn7yZ5IQCw/BC-x-Next-Wallpaper-%26-style?node-id=6949%3A39971 Result: 2 columns: https://screenshot.googleplex.com/BAkYSbNU3dVhjBr.png 3 columns: https://screenshot.googleplex.com/4LR6VBuMA3qhJfS.png Bug: 192415835 Test: manual Change-Id: Ic051b54b8cbf84def8250c357dc7f92d3942221f
