Merge "Fix NPE when user swipes back in All Apps and no matching view found" into tm-dev am: a49ba25353 am: f2afc1fcd1

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

Change-Id: I64c090c56df4291746ad8fe647eee3cb6418d1f4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>