@Override
    protected VRTSphere createViewInstance(ThemedReactContext reactContext) {
        return new VRTSphere(reactContext);
    }
SphereManager for building a {@link VRTSphere}
corresponding to the ViroSphere.js control.
android/viro_bridge/src/main/java/com/viromedia/bridge/component/node/control/VRTSphereManager.java