Merge "Add detailed exception for snappedIndex == -1 when dismissing tasks"...

Merge "Add detailed exception for snappedIndex == -1 when dismissing tasks" into udc-dev am: dcbe9583 am: 6d9c5995 am: 2d0c3657 am: 173b8444

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/23535540



Change-Id: Idcb2b7fc49945a4e5168303470cad58bd9e39fc6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>