Merge "Revert "[AllApps][Work] Introduce work toggle Fab"" into sc-dev am: 17ef90b2cb am: 6ad1a8d1d2

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

Change-Id: I1fa905ca481e450e1fb0017de9e781c52adc2c98