Add peer name to video quality analyzer interface to make it possible to add multipeer support. Change-Id: I2570cd4481503c8634bdd91208b3dd2fa1d62029 Bug: webrtc:11631 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/176329 Reviewed-by: Andrey Logvin <landrey@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Commit-Queue: Artem Titov <titovartem@webrtc.org> Cr-Commit-Position: refs/heads/master@{#31395}