Merge "[AllApps][Work] Introduce work toggle Fab" into sc-dev am: 2f346b8666 am: cd5f45b2b6

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14948496

Change-Id: I9289778170734f9838e66947b3ff5305e048e78e