Make SimulatedNetwrokConfig configuration of default implementation of
NetworkSimulationInterface, that will be used by WebRTC in case of
network simulation.
Bug: webrtc:9630
Change-Id: Ib7c3d0c69fc09627f3d8694e61ac8409101e8392
Reviewed-on: https://webrtc-review.googlesource.com/94154
Commit-Queue: Artem Titov <titovartem@webrtc.org>
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24311}