Merge "[AllApps][Work] Introduce work toggle Fab" into sc-dev am: 2f346b8666 am: daed6c0751 am: 155b469690

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

Change-Id: I33469f75798a712f2a66be726e91ca6a4c0ea8c4