Swap templates-sdk and templates-sdk-dev files to enable redesign builds by default.

Change-Id: I9eabbbcd823fb29bd2209172c458cb9dad5f24d2
diff --git a/tools/droiddoc/templates-sdk/trailer.cs b/tools/droiddoc/templates-sdk/trailer.cs
index 337f8d3..225b2c1 100644
--- a/tools/droiddoc/templates-sdk/trailer.cs
+++ b/tools/droiddoc/templates-sdk/trailer.cs
@@ -1,3 +1,4 @@
+</div> <!-- end .cols --> <?cs # normally opened by header.cs ?>
 </div> <!-- end body-content --> <?cs # normally opened by header.cs ?>
 
 <?cs if:carousel ?>