Ying Wang 6a9bd74481 Fix a downstream test failure.
In rare case the packets number may loop around and in the same FEC-protected group the packet sequence number became out of order.

Bug: chromium:850493
Change-Id: Ice82aafd537e0edc1dbdb8b934e11e7c42a4cf60
Reviewed-on: https://webrtc-review.googlesource.com/82802
Commit-Queue: Ying Wang <yinwa@webrtc.org>
Reviewed-by: Henrik Lundin <henrik.lundin@webrtc.org>
Reviewed-by: Rasmus Brandt <brandtr@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23633}
2018-06-15 13:30:26 +00:00
..
2018-06-13 14:46:24 +00:00