am 47573625: am 88647b68: am bdf5e974: am 55ca3997: am 6deb9a96: Merge "Add hint_grey text color #949494." into ub-gmail-ur14-dev

* commit '47573625598f1298da7f0b5e19931ca2d30e6f9b':
  Add hint_grey text color #949494.