Merge "NIU Actions: Add NIU Actions tooltip" into sc-dev am: 4e74ccb082 am: 646218ebf6

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15126744

Change-Id: Iaa23331336095830e67c954ff175aa7a1d9c15bf