update search suggestions to use new unified JS and show samples

Change-Id: Id39091558906db7d43b2d07d09756f71d98502a7
diff --git a/tools/droiddoc/templates-sdk/components/masthead.cs b/tools/droiddoc/templates-sdk/components/masthead.cs
index f3eb401..a4198fb 100644
--- a/tools/droiddoc/templates-sdk/components/masthead.cs
+++ b/tools/droiddoc/templates-sdk/components/masthead.cs
@@ -122,6 +122,8 @@
       </div>
       <div class="child-card training no-display">
       </div>
+      <div class="child-card samples no-display">
+      </div>
     </div>
     <div class="suggest-card design no-display">
       <ul class="search_filtered">