Merge "Fix NPE when user swipes back in All Apps and no matching view found"...

Merge "Fix NPE when user swipes back in All Apps and no matching view found" into tm-dev am: a49ba253 am: 9336589d am: f08d48fa am: 42690e91

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



Change-Id: I9067f9d4890ecf0964043e36f1d18097c041447d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>