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: I47bd374d48ee1cdbdc69b4cb3504296c7d475396