Merge "DirectReply: Send button was wrongly actionable on empty field" into nyc-dev
am: 47d849da9f

* commit '47d849da9f848a8fc3121aca58695890e9eb8969':
  DirectReply: Send button was wrongly actionable on empty field

Change-Id: Iddd37c9435c070c1aee9c95fd0fef3b1a5c1f56e