This fixes a minor bug in the event_log_visualizer where packets are
processed in RTP send time order rather than RTCP arrival time order.
The bug makes time appear to move backwards if RTCP feedback for a later
RTP packet arrives before the feedback of an earlier RTP packet.
Bug: None
Change-Id: I06e8a25d5c65602bedcfd9e4ea1d23874bee9318
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/156169
Commit-Queue: Björn Terelius <terelius@webrtc.org>
Reviewed-by: Sebastian Jansson <srte@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29448}