VP9 is put as second codec in supported codec list. BUG=chromium:500602 Review URL: https://codereview.webrtc.org/1432673002 Cr-Commit-Position: refs/heads/master@{#10577}
VP9 is put as second codec in supported codec list. BUG=chromium:500602 Review URL: https://codereview.webrtc.org/1432673002 Cr-Commit-Position: refs/heads/master@{#10577}