Merge "Cleans up bad state when transient taskbar shows on home." into udc-dev...

Merge "Cleans up bad state when transient taskbar shows on home." into udc-dev am: 2c3c1e46 am: 4de15620

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/23852178



Change-Id: Idbb6ded338cf1fe3db8142ba75d54844a9bf1382
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>