Convert from React.createClass to ES6 classes

Reviewed By: cpojer

Differential Revision: D3619143

fbshipit-source-id: e14e81468d467437ee3d79c34c34b7780a46ca1c

ReactAndroid/src/androidTest/js/ShareTestModule.js

@@ -17,11 +17,11 @@ var RecordingModule = require('NativeModules').ShareRecordingModule;
 var Share = require('Share');
 var View = require('View');
 
-var ShareTestApp = React.createClass({
-  render: function() {
+class ShareTestApp extends React.Component {
+  render() {
     return (<View />);
-  },
-});
+  }
+}
 
 var ShareTestModule = {
   ShareTestApp: ShareTestApp,