message: Updated layout after nav icon and logo complete
  The Twitter example didn't show the navigation image on the first tweet tap. (The overflow icon updated automatically)
diff: @@ -67,12 +67,14 @@ public class NavigationBarView extends AppBarLayout {
  @Override
  protected void setDrawable(Drawable d) {
  toolbar.setLogo(d);
  + post(measureAndLayout);
  }
  };
  navIconControllerListener = new IconResolver.IconControllerListener(navIconHolder) {
  @Override
  protected void setDrawable(Drawable d) {
  toolbar.setNavigationIcon(d);
  + post(measureAndLayout);
  }
  };
  overflowIconControllerListener = new IconResolver.IconControllerListener(overflowIconHolder) {
  