Merge "NIU Actions: Update background and dark mode colors" into sc-dev am: 3f45639b12 am: 86690e5e49 am: b1e9e11f79

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

Change-Id: Ic50405e5861980035060a4085dbb327cdc72802e