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}