Defer unstashing taskbar on all apps close if gesture in progress. am: 4ad53f12

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



Change-Id: Iefb13795ad5f2530f7dae98d701448c7efcd3e49
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>