Docs: Better integrating HAL contents into source.android.com

Bug: 12067952, 12228517
Change-Id: I741e03ee9ee5070960dc7687f5f49e840b31a401
diff --git a/hal_header.html b/hal_header.html
new file mode 100644
index 0000000..dc4e671
--- /dev/null
+++ b/hal_header.html
@@ -0,0 +1,46 @@
+<!-- HTML header for doxygen 1.8.4-->
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
+<meta http-equiv="X-UA-Compatible" content="IE=9"/>
+<meta name="generator" content="Doxygen $doxygenversion"/>
+<!--BEGIN PROJECT_NAME--><title>$projectname: $title</title><!--END PROJECT_NAME-->
+<!--BEGIN !PROJECT_NAME--><title>$title</title><!--END !PROJECT_NAME-->
+<link href="$relpath^tabs.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="//www.gstatic.com/external_hosted/source_android_com/sac_doxygen_jquery.js"></script>
+<script type="text/javascript" src="$relpath^dynsections.js"></script>
+$treeview
+$search
+$mathjax
+<link href="$relpath^$stylesheet" rel="stylesheet" type="text/css" />
+$extrastylesheet
+<script type="text/javascript">
+  var _gaq = _gaq || [];
+  _gaq.push(['_setAccount', 'UA-45455297-1']);
+  _gaq.push(['_trackPageview']);
+
+  (function() {
+    var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
+    ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
+    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
+  })();
+</script>
+</head>
+<body>
+<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
+
+    <div id="header">
+            <table width=80%>
+              <tr>
+                <td><a href="/index.html"><img src="/assets/images/sac_logo.png" width="123" height="25" alt="Android Developers" /></td>
+                <td><a class=toptab href="/source/index.html">Source</a></td>
+                <td><a class=devices href="/devices/index.html">Devices</a></td>
+                <td><a class=toptab href="/accessories/index.html">Accessories</a></td>
+                <td><a class=toptab href="/compatibility/index.html">Compatibility</a></td>
+                <td width=20%>$searchbox</td>
+              </tr>
+            </table>
+  </div>
+<hr class=light>
+<!-- end header part -->