message: Copied over tab bar primary to new arch
  Updates when tab bar item content changes
diff: @@ -113,12 +113,14 @@ public class TabBarViewManager extends ViewGroupManager<TabBarView> implements N
  @Override
  public void addView(TabBarView parent, View child, int index) {
  + ((TabBarItemView) child).changeListener = parent;
  parent.tabFragments.add(index, new TabFragment((TabBarItemView) child));
  parent.tabsChanged = true;
  }
  @Override
  public void removeViewAt(TabBarView parent, int index) {
  + parent.tabFragments.get(index).tabBarItem.changeListener = null;
  parent.tabFragments.remove(index);
  parent.tabsChanged = true;
  }
  