Merge "Add comments to apptype and authtype constants." into nyc-dev
am: cc69bed

* commit 'cc69bed61fadd99627751b6e04e99f2c42ef3025':
  Add comments to apptype and authtype constants.

Change-Id: Ie7f2d97b7ac79d31bac8b77d0a8056f4c13cc5b7