Merge "Postponing registering widget listener" into sc-dev am: 1508e062e8

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/13475349

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ib2386b0d4e061460c92a250c5c6be3aa4061be78