
This adds four parameters to the protobuf that is used to configure the ANA controllers. These extra parameters allow for setting an offset to the per-packet overhead that is used when changing the frame length size and when changing bitrate. BUG=webrtc:8179 Review-Url: https://codereview.webrtc.org/3013613002 Cr-Commit-Position: refs/heads/master@{#20011}