Cloned sdk-templates directory to create an ndk-templates directory for
production use.

Change-Id: Icf205892d98f5a58350d140b0b0c56d0dceea111
diff --git a/tools/droiddoc/templates-ndk/gms_navtree_data.cs b/tools/droiddoc/templates-ndk/gms_navtree_data.cs
new file mode 100644
index 0000000..66b7d55
--- /dev/null
+++ b/tools/droiddoc/templates-ndk/gms_navtree_data.cs
@@ -0,0 +1,3 @@
+var GMS_NAVTREE_DATA =
+<?cs var:reference_tree ?>
+;