Merge "Fix contrast between dialog button, icon and dialog" into udc-dev am: 82b901b8ce

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/WallpaperPicker2/+/23666856

Change-Id: I2203bf564d0919b360e140dd4647c2caabd03a23
Signed-off-by: Automerger Merge Worker <[email protected]>