* changes: SurfaceTexture: add some GL->GL tests. SurfaceTexture: fix up a comment. SurfaceTexture: add getTransformMatrix tests. SurfaceTexture: fix a getTransformMatrix crash.
* changes: SurfaceTexture: add some GL->GL tests. SurfaceTexture: fix up a comment. SurfaceTexture: add getTransformMatrix tests. SurfaceTexture: fix a getTransformMatrix crash.