code: public static GVRCameraRig makeInstance(GVRContext gvrContext) {
          final GVRCameraRig result = gvrContext.getApplication().getDelegate().makeCameraRig(gvrContext);
          result.init(gvrContext);
          return result;
      }
docs: Constructs a camera rig with cameras attached. An owner scene object is automatically
  created for the camera rig.
  
  Do not try to change the owner object of the camera rig - not supported currently and will
  lead to native crashes.