Merge "Fix launcher flicker when unlocking on seascape." into sc-dev am: 83cdd1e857

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/13430681

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I87088c1eb766f80dcf38061d17bf5590e941fe1e