am 061c758c: am 9fdf671d: Add LOCAL_ADDITIONAL_HTML_DIR to clear_vars for devsite docs builds.

# Via Android Git Automerger (1) and Dirk Dougherty (1)
* commit '061c758cfa5409035854804efa1e0c4d32d2f007':
  Add LOCAL_ADDITIONAL_HTML_DIR to clear_vars for devsite docs builds.