Change kEchoCancellation to be 'echoCancellation'.
This is the second cl in WebRTC for this change and will be landed after Chromium has been updated to use kGooglEchoCancellation where that variant is required. See also the first part: https://codereview.webrtc.org/1179233003

BUG=webrtc:4747
R=andrew@webrtc.org

Review URL: https://codereview.webrtc.org/1185963003

Cr-Commit-Position: refs/heads/master@{#9490}
2 files changed