Merge "Reuse and reparent one-level root task to another display" into rvc-dev...
Merge "Reuse and reparent one-level root task to another display" into rvc-dev am: 46f0be1f am: 28bfa974 am: 097342b5
Change-Id: I3ac8d67923f1503b5768153e6cbb5bfd95c32ccc