Cloned templates-sdk to create baseline for templates-ndk

Change-Id: I34f3eccc02fab99f43e01ae4e51c1027193acd9a
diff --git a/tools/droiddoc/templates-ndk/timestamp.cs b/tools/droiddoc/templates-ndk/timestamp.cs
new file mode 100644
index 0000000..4bf502a
--- /dev/null
+++ b/tools/droiddoc/templates-ndk/timestamp.cs
@@ -0,0 +1 @@
+var BUILD_TIMESTAMP = "<?cs var:page.now ?>";