Merge "Keep insets stable when taskbar is destroyed/recreated" into sc-v2-dev am: 8f990b94a2 am: f6e67fb067

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15857676

Change-Id: Iac12c4380cde4270539f93a9fca552e8fd715ac8