message: Used title color for expanded to match ios
  If bring in large title color then need it to work on iOS and android
diff: import React from 'react';
  import { requireNativeComponent, Platform } from 'react-native';
  -var CollapsingBar: any = ({largeTitle = false, barTintColor, titleColor, largeTitleColor, ...props}) => (
  +var CollapsingBar: any = ({largeTitle = false, barTintColor, titleColor, style, ...props}) => (
  <NVCollapsingBar
  titleEnabled={largeTitle}
  contentScrimColor={barTintColor}
  collapsedTitleColor={titleColor}
  - expandedTitleColor={largeTitleColor}
  + expandedTitleColor={titleColor}
  {...props} />
  )
  