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: If1ad90b7a21afa4ec51f04807abe3f7301568148