docs: public void removeChildObjectFromCamera(final GVRSceneObject child,
                                              int camera) {
          switch (camera) {
              case LEFT_CAMERA:
                  mLeftCameraRootObject.removeChildObject(child);
                  break;
              case RIGHT_CAMERA:
                  mRightCameraRootObject.removeChildObject(child);
                  break;
              default:
                  mMainCameraRootObject.removeChildObject(child);
                  break;
          }
      }