Merge "Cleanup split screen offset in TaskViewSimulator" into sc-v2-dev am: d58e7b6fc4 am: 3a684ac265

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15910345

Change-Id: Iedec7b38faa175c0ca655fd5ef1d7e32aee3f2ed