Merge "Generate reference nav to _book.yaml for devsite builds." into mnc-mr-docs

am: dc55c97296

* commit 'dc55c97296b0cc7d50d56013d417444c9b012ce2':
  Generate reference nav to _book.yaml for devsite builds.

Change-Id: Id90b7d082e780530943f2a9e25f42edbc634658d

tools/droiddoc/templates-sdk-dev/yaml_navtree.cs

@@ -0,0 +1,14 @@
+<?cs
+
+# print out the yaml nav for the reference docs, only printing the title,
+path, and status_text (API level) for each package.
+
+?>
+reference:<?cs
+each:page = docs.pages?><?cs
+  if:page.type == "package"?>
+- title: <?cs var:page.label ?>
+  path: <?cs var:page.link ?>
+  status_text: apilevel-<?cs var:page.apilevel ?><?cs
+  /if?><?cs
+/each ?>