WebRTC impelementation never sent more than a single block in RED packets Bug: none Change-Id: Ia39cf803e3c165bf03c09ce734154c04d548c921 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/144024 Reviewed-by: Danil Chapovalov <danilchap@webrtc.org> Reviewed-by: Rasmus Brandt <brandtr@webrtc.org> Commit-Queue: Ilya Nikolaevskiy <ilnik@webrtc.org> Cr-Commit-Position: refs/heads/master@{#28399}