Similar to task organizer this allows for the organization of display
areas.
Test: they pass!
Bug: 147406652
Bug: 152113464
Bug: 152117221
Change-Id: Id0dbec20f0aedc5162f4ff7be81b2dafb0c8f3c9
WM currently only allows the organization of tasks, however we will soon
be allowing the organization of DisplayAreas. To help with the code
structure, we are introducing WindowOrganizer interface which will
contain common APIs for all types of windows organizers (e.g.
applyTransaction) and also be the interfaece for getting the controller
for other organizers.
Test: they pass!
Bug: 147406652
Bug: 152113464
Bug: 152117221
Change-Id: Id2797b288ce92430206c25345d60e7b0e3be98c8
Window management files on the client side have normally been dumped in
either android.view or android.app package. This CL starts to
centralized them in android.window package so there is better
separation.
Test: they pass
Bug: 147406652
Bug: 152113464
Bug: 152117221
Change-Id: I4d64bd256e9b3581af0ccf9396f7dd2454132719
