ref: f9b28eab5b92e83a38182efa87496a19555301c3
parent: a9659f63927bdbaf79a08689309624f572e9d9fc
parent: f0841f0a4060e5d8e0656b0050a1d5f9a478021e
author: Jingning Han <jingning@google.com>
date: Thu Sep 13 12:57:52 EDT 2018
Merge "Initial step in deprecating previous dual arf code."