Merge "Disallow transient taskbar to un/stash in certain sys ui states" into tm-qpr-dev am: c04120e61e

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20552584

Change-Id: Ie78637b99c552d9c37b90345ad8dcfce4cab2f67
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>