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: f2afc1fc am: 5f270a1c am: c71b70c5

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



Change-Id: I833a30187321484ac31a75e621a70e684848dff4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>