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

Bug: 12067952, 12228517
Change-Id: I741e03ee9ee5070960dc7687f5f49e840b31a401
diff --git a/src/devices/tech/index.jd b/src/devices/tech/index.jd
index fbb4cc7..4fbf442 100644
--- a/src/devices/tech/index.jd
+++ b/src/devices/tech/index.jd
@@ -60,7 +60,7 @@
 <p>Android's Hardware Abstraction Layer (HAL) provides the interface between
 software APIs and hardware drivers. This section contains the commented code
 files of the HAL.</p>
-<p><a href="{@docRoot}devices/reference/files.html">&raquo; HAL Reference</a></p>
+<p><a href="{@docRoot}devices/halref/files.html">&raquo; HAL Reference</a></p>
 
 <h2 id="kernel-technical-information">Kernel Technical Information</h2>
 <p>The kernel configuration settings in this document are meant to be used as a base