Merge "Hide task bar icons when notification shade is expanded" into sc-v2-dev am: ba086b8125 am: 46c3f1e3f5

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15850809

Change-Id: Ieb38ae475876d7f88446920a790ebc169c5645ba