Merge "Revert "[AllApps][Work] Introduce work toggle Fab"" into sc-dev am: 17ef90b2cb

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14939015

Change-Id: I75e6989b9cf1d82eb3d5df9a32f9047f63387314