Merge "Fix split select scroll range when TaskView aren't shifting" into sc-v2-dev am: 11579eea19

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/16015203

Change-Id: Iafd71c95e0165a7ebc1ad84ca7660f1fcd2f9cc1