It's audio data, not an index or anything like that, so the most an
overflow can do is make it sound worse.
Bug: chromium:834531
Change-Id: Icb39c1bb011219c1a6fe67bc582390daa2693379
Reviewed-on: https://webrtc-review.googlesource.com/71160
Reviewed-by: Henrik Lundin <henrik.lundin@webrtc.org>
Commit-Queue: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22947}