Set the enabled state on disabled button views

Reviewed By: AaaChiuuu

Differential Revision: D4722513

fbshipit-source-id: f4a4e6304594235b5da4e5be36358331e43bdbee

Libraries/Text/Text.js

@@ -202,12 +202,18 @@ const Text = React.createClass({
      * @platform ios
      */
     minimumFontScale: PropTypes.number,
+    /**
+     * Specifies the disabled state of the text view for testing purposes
+     * @platform android
+     */
+    disabled: PropTypes.bool,
   },
   getDefaultProps(): Object {
     return {
       accessible: true,
       allowFontScaling: true,
       ellipsizeMode: 'tail',
+      disabled: false,
     };
   },
   getInitialState: function(): Object {