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

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

Change-Id: I22f6d882fc49f417bca5285d1e76b3b3864b56e5