Summary:
Changelog: [Internal]
Add view hierachy drawings to tests to make it easier to picture view hierarchy.
The sketches do not reflect sizing but relationship among the views.
I removed unnecessary reset of transform value to identity matrix.
Reviewed By: JoshuaGross, shergin
Differential Revision: D22456267
fbshipit-source-id: 480d0b938ffd0281fc94148570c412b0fcc22f42