[madman] Supports `onLayout` for `AdsManagerTouchableHighlight`.

Summary:
Supports `onLayout` for Touchable*` by piping onLayout
through to the native component inside since only native components support
it by default.

Libraries/Components/Touchable/TouchableHighlight.js

@@ -211,6 +211,7 @@ var TouchableHighlight = React.createClass({
         accessible={true}
         ref={UNDERLAY_REF}
         style={this.state.underlayStyle}
+        onLayout={this.props.onLayout}
         onStartShouldSetResponder={this.touchableHandleStartShouldSetResponder}
         onResponderTerminationRequest={this.touchableHandleResponderTerminationRequest}
         onResponderGrant={this.touchableHandleResponderGrant}

Libraries/Components/Touchable/TouchableOpacity.js

@@ -155,6 +155,7 @@ var TouchableOpacity = React.createClass({
         accessible={true}
         style={[this.props.style, {opacity: this.state.anim}]}
         testID={this.props.testID}
+        onLayout={this.props.onLayout}
         onStartShouldSetResponder={this.touchableHandleStartShouldSetResponder}
         onResponderTerminationRequest={this.touchableHandleResponderTerminationRequest}
         onResponderGrant={this.touchableHandleResponderGrant}

Libraries/Components/Touchable/TouchableWithoutFeedback.js

@@ -44,7 +44,15 @@ var TouchableWithoutFeedback = React.createClass({
     onPress: React.PropTypes.func,
     onPressIn: React.PropTypes.func,
     onPressOut: React.PropTypes.func,
+    /**
+     * Invoked on mount and layout changes with
+     *
+     *   `{nativeEvent: {layout: {x, y, width, height}}}`
+     */
+    onLayout: React.PropTypes.func,
+
     onLongPress: React.PropTypes.func,
+
     /**
      * Delay in ms, from the start of the touch, before onPressIn is called.
      */
@@ -113,6 +121,7 @@ var TouchableWithoutFeedback = React.createClass({
     return (React: any).cloneElement(onlyChild(this.props.children), {
       accessible: this.props.accessible !== false,
       testID: this.props.testID,
+      onLayout: this.props.onLayout,
       onStartShouldSetResponder: this.touchableHandleStartShouldSetResponder,
       onResponderTerminationRequest: this.touchableHandleResponderTerminationRequest,
       onResponderGrant: this.touchableHandleResponderGrant,