Intermediate refactoring to move towards in-app view transitions.

- Fixing bug where we weren't toggling to the right task when using affiliations
- Refactoring task rect calculation to allow full screen task view to be laid out for transitions
- Refactoring the view bounds animations into a separate class
- Refactoring the footer view (for lock-to-task) out of TaskView
- Refactoring some transform code out of TaskView
- Removing fullscreen overlay view
- Fixing case where extra invalidations and layouts were still happening in FixedSizeImageView
- Adding debug overlay to replace specific debug drawing code

Change-Id: Ibf98b6a0782a68cd84582203c807cece1ff3379f