ref: e2612fbd701e94eaf736fd8b511c44cd54dad754
parent: f3a5de816da1ddd41029ed3b4b29f5adfdc4764e
author: Jingning Han <jingning@google.com>
date: Tue Oct 14 06:26:28 EDT 2014
Add init and reset functions for RD_COST struct Change-Id: I2902de7051a883fd22e27a655209233733969cfd