Add templates for devsite docs builds.

Change-Id: I0bb0238326aed7d2ff931594709cb153b2587061
diff --git a/tools/droiddoc/templates-ds/data.hdf b/tools/droiddoc/templates-ds/data.hdf
new file mode 100644
index 0000000..9411b78
--- /dev/null
+++ b/tools/droiddoc/templates-ds/data.hdf
@@ -0,0 +1,4 @@
+template {
+    which = normal
+}
+