docs: update template files with those from the templates-ds directory

Change-Id: I47b07b17ea79d0b00300492ba7854e37f1ab00d0
diff --git a/tools/droiddoc/templates-sdk/sampleindex.cs b/tools/droiddoc/templates-sdk/sampleindex.cs
index 81ba68c..a173363 100644
--- a/tools/droiddoc/templates-sdk/sampleindex.cs
+++ b/tools/droiddoc/templates-sdk/sampleindex.cs
@@ -1,7 +1,7 @@
 <?cs include:"doctype.cs" ?>
 <?cs include:"macros.cs" ?>
 <?cs set:resources="true" ?>
-<html>
+<html<?cs if:devsite ?> devsite<?cs /if ?>>
 <?cs include:"head_tag.cs" ?>
 <?cs include:"header.cs" ?>
 <body class="gc-documentation">