Update samples_navtree cs template to include generated _yaml from samples TOC. am: 1a2dbb6 am: 0781792 am: 88db402
am: 488c67f

* commit '488c67f121b14bc76f2e80caca94dbf51b3f425b':
  Update samples_navtree cs template to include generated _yaml from samples TOC.

Change-Id: If170a6a5de043efd44550715fb81b183d00e54ce