This is because padding (sent as RTX) makes the plot unreadable. TBR=terelius@webrtc.org Bug: None Change-Id: Iddf681eab6ec826c6f3c620aac65e2bd6f31b895 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/133182 Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27641}