It's now passed through CreatePeerConnectionFactory like all similar
injectable dependencies.
Also removing network_monitor.h from native_api/base, since clients
should all be moved to the new location now.
Bug: webrtc:9883
Change-Id: I3776262ce2a2a380d01c163f4d18a0dfad4b5b41
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/181401
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
Commit-Queue: Taylor <deadbeef@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31931}