Merge "Destroy taskbar when device is shutting down" into sc-v2-dev am: 9c7eda8135 am: a993f6aa21

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15806451

Change-Id: I3651ffd75b0c6f76c4b324be1ef33a73f79776dd