code: public void stop(String name)
      {
          GVRAnimator anim = findAnimation(name);
  
          if (anim != null)
          {
              mIsRunning = false;
              anim.stop();
          }
      }
docs: Stops all of the animations associated with this animator.
  @see GVRAvatar#start(String)
  @see GVRAnimationEngine#stop(GVRAnimation)