Merge changes I56779420,I044e44e1,Ic5adfa29,Ied541ab8

* changes:
  SurfaceTexture: add some GL->GL tests.
  SurfaceTexture: fix up a comment.
  SurfaceTexture: add getTransformMatrix tests.
  SurfaceTexture: fix a getTransformMatrix crash.
tree: b3d1f0dca37bf597a5a0774c40d51401edd89d7f
  1. cmds/
  2. include/
  3. libs/
  4. opengl/
  5. services/
  6. vpn/
  7. MODULE_LICENSE_APACHE2
  8. NOTICE