am 086e7f8b: am 79935f59: am 015d616a: docs: use devsite hdf bool as a javascript condition for managing the lang toggle. sync the sdk and ds templates so we can move toward one template set

# Via Android Git Automerger (2) and Scott Main (1)
* commit '086e7f8b23f3f5547d75078a670dd4efeede6bc8':
  docs: use devsite hdf bool as a javascript condition for managing the lang toggle. sync the sdk and ds templates so we can move toward one template set