Merge "NIU Actions: Update background and dark mode colors" into sc-dev am: 3f45639b12 am: 6ee3ed063f

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15055430

Change-Id: I64bef48746bdf8233e4b178aa3309da81a3cb3fa