Fix some minor errors with the voice engine caused by the refactor CL https://codereview.webrtc.org/1229283003/.

R=deadbeef@webrtc.org, solenberg@webrtc.org

Review URL: https://codereview.webrtc.org/1284693003 .

Cr-Commit-Position: refs/heads/master@{#9750}
1 file changed