Merge "Register setStartingWindowListener so launcher can defer icon drawing/crop correctly." into sc-dev am: 970a410bd7

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/13828570

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Id3bbe62f10534d48da827127867e5fda44b626a5