Merge "Fix NPE when user swipes back in All Apps and no matching view found" into tm-dev am: a49ba253 am: 9336589d am: a1d5677e am: 2d6dadfe

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



Change-Id: I7d5aadb7e2b0a3f84db28b3c15025394cf0d65ca
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>