Compose propTypes from View.propTypes where appropriate.

Reviewed By: davidaurelio

Differential Revision: D2668380

fb-gh-sync-id: f34fc8df3bbf755c710e99c5421762406afaba2c

Libraries/Components/ActivityIndicatorIOS/ActivityIndicatorIOS.ios.js

@@ -32,6 +32,7 @@ var ActivityIndicatorIOS = React.createClass({
   mixins: [NativeMethodsMixin],
 
   propTypes: {
+    ...View.propTypes,
     /**
      * Whether to show the indicator (true, the default) or hide it (false).
      */