am b7530442: am a18b429f: am fe340fac: 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 'b7530442594903a0a0a9bb0b9cb41edc8c0de72b':
  update the init_google_navtree2 method to handle new format for sample nav tree data. and update highlighting logic to handle hashtags