am e624b3fa: update the init_google_navtree2 method to handle new format for...

am e624b3fa: update the init_google_navtree2 method to handle new format for sample nav tree data. and update highlighting logic to handle hashtags

* commit 'e624b3fa':
  update the init_google_navtree2 method to handle new format for sample nav tree data. and update highlighting logic to handle hashtags