Merge "NIU Actions: Add NIU Actions tooltip" into sc-dev am: 4e74ccb082 am: d5892fe778

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

Change-Id: Ie50b7e962172162cae742568de2e3ceb319b9b5b