Update example link to new link.

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Closes https://github.com/facebook/react-native/pull/9289

Differential Revision: D3684467

Pulled By: hramos

fbshipit-source-id: 625b01f1e21c526048832d2c4af0d37f02fed44e

docs/Animations.md

@@ -248,7 +248,7 @@ vertical panning.
 
 The above API gives a powerful tool for expressing all sorts of animations in a
 concise, robust, and performant way.  Check out more example code in
-[UIExplorer/AnimationExample](https://github.com/facebook/react-native/tree/master/Examples/UIExplorer/AnimatedGratuitousApp).  Of course there may still be times where `Animated`
+[UIExplorer/AnimationExample](https://github.com/facebook/react-native/tree/master/Examples/UIExplorer/js/AnimatedGratuitousApp).  Of course there may still be times where `Animated`
 doesn't support what you need, and the following sections cover other animation
 systems.