Expose pressRetentionOffset for Text

Summary:
expose this property to make Text having same property like TouchableHighlight
Closes #11473

Differential Revision: D4348825

fbshipit-source-id: 941bcc681139d4460f52fed5174be1d2381462c7

Libraries/Text/Text.js

@@ -11,6 +11,7 @@
  */
 'use strict';
 
+const EdgeInsetsPropType = require('EdgeInsetsPropType');
 const NativeMethodsMixin = require('NativeMethodsMixin');
 const Platform = require('Platform');
 const React = require('React');
@@ -141,6 +142,14 @@ const Text = React.createClass({
      * e.g., `onLongPress={this.increaseSize}>``
      */
     onLongPress: React.PropTypes.func,
+    /**
+     * When the scroll view is disabled, this defines how far your touch may
+     * move off of the button, before deactivating the button. Once deactivated,
+     * try moving it back and you'll see that the button is once again
+     * reactivated! Move it back and forth several times while the scroll view
+     * is disabled. Ensure you pass in a constant to reduce memory allocations.
+     */
+    pressRetentionOffset: EdgeInsetsPropType,
     /**
      * Lets the user select text, to use the native copy and paste functionality.
      */
@@ -266,7 +275,7 @@ const Text = React.createClass({
               };
 
               this.touchableGetPressRectOffset = function(): RectOffset {
-                return PRESS_RECT_OFFSET;
+                return this.props.pressRetentionOffset || PRESS_RECT_OFFSET;
               };
             }
             return setResponder;