Merge "Revert "[AllApps][Work] Introduce work toggle Fab"" into sc-dev am: 17ef90b2cb am: d7b9bf8995 am: 1823c61ec8

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

Change-Id: I792459ad5b25703dd480caa0db488705c1d71027