Update bower.json for Polymer elements and add PRESUBMIT.py

third_party/polymer/v1_0/components/neon-animation/neon-shared-element-animation-behavior.html

Index: third_party/polymer/v1_0/components/neon-animation/neon-shared-element-animation-behavior.html
diff --git a/third_party/polymer/v1_0/components/neon-animation/neon-shared-element-animation-behavior.html b/third_party/polymer/v1_0/components/neon-animation/neon-shared-element-animation-behavior.html
index 88a9ccbc1a5f7a7c682ef4a10d07d0b0c221fffb..7787615b039335c8f3a985bd6fe9dc3c6e5332b7 100644
--- a/third_party/polymer/v1_0/components/neon-animation/neon-shared-element-animation-behavior.html
+++ b/third_party/polymer/v1_0/components/neon-animation/neon-shared-element-animation-behavior.html
@@ -15,9 +15,9 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
 
   /**
    * Use `Polymer.NeonSharedElementAnimationBehavior` to implement shared element animations.
-   * @polymerBehavior
+   * @polymerBehavior Polymer.NeonSharedElementAnimationBehavior
    */
-  Polymer.NeonSharedElementAnimationBehavior = [Polymer.NeonAnimationBehavior, {
+  Polymer.NeonSharedElementAnimationBehaviorImpl = {
 
     properties: {
 
@@ -61,6 +61,12 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
       return this.sharedElements;
     }
 
-  }];
+  };
+
+  /** @polymerBehavior Polymer.NeonSharedElementAnimationBehavior */
+  Polymer.NeonSharedElementAnimationBehavior = [
+    Polymer.NeonAnimationBehavior,
+    Polymer.NeonSharedElementAnimationBehaviorImpl
+  ];
 
 </script>