Fix Movies example deprecation warning

Summary: Closes https://github.com/facebook/react-native/pull/5802

Reviewed By: svcscm

Differential Revision: D2911814

Pulled By: androidtrunkagent

fb-gh-sync-id: b623827442fdde53a64e17b7d7842e3a268cf016

Examples/Movies/SearchScreen.js

@@ -316,7 +316,7 @@ var SearchScreen = React.createClass({
           onSearchChange={this.onSearchChange}
           isLoading={this.state.isLoading}
           onFocus={() =>
-            this.refs.listview && this.refs.listview.getScrollResponder().scrollTo(0, 0)}
+            this.refs.listview && this.refs.listview.getScrollResponder().scrollTo({ x: 0, y: 0 })}
         />
         <View style={styles.separator} />
         {content}