tree e8a9936e1e39aa01b8d217ff36eab0e9e57715f6
parent 5ff12101722874f5e7b0cadf06f4c53f4ec4b917
author Craig Mautner <cmautner@google.com> 1369435769 -0700
committer Craig Mautner <cmautner@google.com> 1369437177 -0700

Convert API refs to StackBox from ActivityStack.

- Removed IActivityManager.getStacks() since getStackBoxes() is better.
- Made createStacks operate relative to StackBox instead of TaskStack.
- Made resizeStack into resizeStackBox.

Change-Id: I7a0e1f4e34f399b4fd1180c60cc3989f9c2433f3