Added ability to set custom accessibility tap handler to React Native

Libraries/Components/View/View.js

@@ -99,6 +99,12 @@ var View = React.createClass({
       PropTypes.arrayOf(PropTypes.oneOf(AccessibilityTraits)),
     ]),
 
+    /**
+     * When `accessible` is true, the system will try to invoke this function
+     * when the user performs accessibility tap gesture.
+     */
+    onAcccessibilityTap: PropTypes.func,
+
     /**
      * When `accessible` is true, the system will invoke this function when the
      * user performs the magic tap gesture.