Merge "Fix NPE in FlingToDeleteHelper" into sc-dev am: fe67c6be0b

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/13741294

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ied20b0565837c924bbfa1a4eab496d0a48c5f3f1