Winson Chung d16c565a60 Adding some debug controls to test multi-window.
Adding some preliminary controls to mirror the currently exposed api
to create new activity stacks, resize stacks, and to move tasks
between stacks.

Change-Id: I3fb51c248f53a1d4c4eb23ca9fb3a76888def1de
2015-01-29 15:56:58 -08:00
..