docs: enable 'updated' tag for resource docs

Change-Id: I070f14247088f6a88dcfdfb352615e588bf3e902
diff --git a/tools/droiddoc/templates-sdk/assets/android-developer-docs.js b/tools/droiddoc/templates-sdk/assets/android-developer-docs.js
index 153f5e0..0cac2fc 100644
--- a/tools/droiddoc/templates-sdk/assets/android-developer-docs.js
+++ b/tools/droiddoc/templates-sdk/assets/android-developer-docs.js
@@ -232,6 +232,9 @@
         if (tags[j] == 'new') {
           listItemNode.get(0).innerHTML += '&nbsp;<span class="new">new!</span>';
           break;
+        } else if (tags[j] == 'updated') {
+          listItemNode.get(0).innerHTML += '&nbsp;<span class="new">updated!</span>';
+          break;
         }
       }
       listNode.append(listItemNode);