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: Icb455e17f62432b92ee173d477e2c2940705a363