Merge "Add TAPL test that dismissing focused task causes next task to become focused." into sc-v2-dev am: 1bf753f7a6 am: e77cae7f0d

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15947750

Change-Id: I9c7cac5e73845ed4f08d2d518e661891188a0ce6