Also cleans up usage of the new RoundRobinPacketQueue to reduce code
bloat.
Bug: webrtc:8288
Change-Id: I90f17a4422b32c1d4e2d7d5065573157346d6a0b
Reviewed-on: https://webrtc-review.googlesource.com/100306
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24744}