docs: add "Google Services" search tab

Change-Id: I624f99aeb2f760d646f37d783ebb31b5d7d372b8
diff --git a/tools/droiddoc/templates-sdk/assets/js/docs.js b/tools/droiddoc/templates-sdk/assets/js/docs.js
index 59ddb29..e15ab84 100644
--- a/tools/droiddoc/templates-sdk/assets/js/docs.js
+++ b/tools/droiddoc/templates-sdk/assets/js/docs.js
@@ -1721,6 +1721,10 @@
   referenceSearcher.setUserDefinedLabel("Reference");
   referenceSearcher.setSiteRestriction("http://developer.android.com/reference/");
 
+  googleSearcher = new google.search.WebSearch();
+  googleSearcher.setUserDefinedLabel("Google Services");
+  googleSearcher.setSiteRestriction("http://developer.android.com/google/");
+
   blogSearcher = new google.search.WebSearch();
   blogSearcher.setUserDefinedLabel("Blog");
   blogSearcher.setSiteRestriction("http://android-developers.blogspot.com");
@@ -1731,6 +1735,7 @@
   searchControl.addSearcher(trainingSearcher, searchOptions);
   searchControl.addSearcher(guidesSearcher, searchOptions);
   searchControl.addSearcher(referenceSearcher, searchOptions);
+  searchControl.addSearcher(googleSearcher, searchOptions);
   searchControl.addSearcher(blogSearcher, searchOptions);
 
   // configure result options