Also introduce interface for video quality analyze and mock interface,
that then will be extended for audio quality analyze.
Bug: webrtc:10138
Change-Id: I0e3957fb2af1b12e796f154765580ddf562c7814
Reviewed-on: https://webrtc-review.googlesource.com/c/116500
Commit-Queue: Artem Titov <titovartem@webrtc.org>
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Reviewed-by: Yves Gerey <yvesg@webrtc.org>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26157}