Merge "Fix scroll task off screen to support different screen dimensions." into sc-v2-dev am: 14c8f45b5e

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/16118656

Change-Id: Ia0edd91f46f984b624d4f06e26c9a4299508ff4f