New network stats reporter will require peer name to be passed into
constructor. Because peer name can be set inside PeerConfigurer adding
of the reporter have to be moved to PeerConfigurer creation.
Bug: webrtc:11756
Change-Id: I4840566a3cd2c73fbb1d186aa1c40ebf889fd830
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/180805
Commit-Queue: Artem Titov <titovartem@webrtc.org>
Reviewed-by: Andrey Logvin <landrey@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31841}
048a1885b4