Merge "Fixing TaskView.launchTask.onEndCallback is not called" into sc-dev am: eb3367796a am: 2537d7e0e2

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15032513

Change-Id: I7a1291b4b7ad951d6d37a2214a4252e90bd5dc42