public void recenterTracking() {
        if (mViroView.getHeadset().equalsIgnoreCase(DAYDREAM)) {
            throw new IllegalStateException("recenterTracking should not be invoked on Daydream devices.");
        }
        mViroView.recenterTracking();
    }
If we're exiting Viro and destroying the renderer, notify the MaterialManager so that if
the application doesn't get killed, then the next time Viro starts, we know to reload the
materials.
android/viro_bridge/src/main/java/com/viromedia/bridge/component/VRT3DSceneNavigator.java