Merge "Revert "Revert "Add a way to stash/unstash transient taskbar.""" into...

Merge "Revert "Revert "Add a way to stash/unstash transient taskbar.""" into tm-qpr-dev am: 8ed5ac05 am: 1b4a697e

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20356225



Change-Id: I681f41d4be494e5fb4f079d37a63f3873167c8df
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>