ActivityIndicator now shared with Android

Author: bleonard

App/Components/SpinnerLoader.js

@@ -5,12 +5,11 @@ import {
   PixelRatio,
   View,
   PropTypes,
+  ActivityIndicator,
 } from 'react-native';
 
 import cssVar from '../Lib/cssVar';
 
-import ActivityIndicator from '../Platform/ActivityIndicator';
-
 const SpinnerLoader = React.createClass({
   propTypes: {
     spinning: React.PropTypes.bool,