Defer unstashing taskbar on all apps close if gesture in progress. am: 4ad53f1268 am: 12d8747d8e

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/17625367

Change-Id: If3f511acb4a842ea69f0986fe7feb8856c8747d7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>