Compose propTypes from View.propTypes where appropriate.

Reviewed By: davidaurelio

Differential Revision: D2668380

fb-gh-sync-id: f34fc8df3bbf755c710e99c5421762406afaba2c

Libraries/Components/MapView/MapView.js

@@ -63,6 +63,7 @@ var MapView = React.createClass({
   },
 
   propTypes: {
+    ...View.propTypes,
     /**
      * Used to style and layout the `MapView`.  See `StyleSheet.js` and
      * `ViewStylePropTypes.js` for more info.