dadb4dc3c9
This is part of a series of CLs. Next CLs: 1. CL for RPLR-based FecController 2. CL for allowing experiment-driven configuration of the above (through both field-trials and protobuf) BUG=webrtc:7058 Review-Url: https://codereview.webrtc.org/2661043003 Cr-Commit-Position: refs/heads/master@{#17368}