Merge "NIU Actions: Update background and dark mode colors" into sc-dev am: 3f45639b12 am: 790a623849 am: a236a9a90b

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

Change-Id: I7137a509d942ab6771782e6f49f5cf9d8db41034