@Override
    public void addView(View child, int index) {
        throw new IllegalStateException("Can't add child. Controls should not have children views.");
    }
Control is inherited by all Viro UI controls that
contains a native Node {@link com.viro.core.Node}.
android/viro_bridge/src/main/java/com/viromedia/bridge/component/node/control/VRTControl.java