Craig Mautner 398341927f Minor refactors.
- Refactor DragState to take Display instead of DisplayContent.
- Rename xxxAnimationLw methods in WindowManagerPolicy to xxxPostLayout
to reflect animation refactoring.

Change-Id: I502f2aa45a699ad395a249a12abf9843294623f0
2012-09-02 07:47:24 -07:00
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