Merge "Fix launcher flicker when unlocking on seascape." into sc-dev am: 83cdd1e857 am: 0e9befbd37

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Iec2deeedb956aa15ee1ca6e62cdb413abf2a3e4b