Merge "Fix NPE when user swipes back in All Apps and no matching view found" into tm-dev am: a49ba25353 am: 9336589d01

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/18821198

Change-Id: I358cb879052f07cecc78a34f79422a34acafcacf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>