Instead add separate printing functions for each plot format in the base class.
Bug: webrtc:11566
Change-Id: I8adfc983b4e8a66c477de4022c2d97b6975d7e5c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/176563
Reviewed-by: Artem Titov <titovartem@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Andrey Logvin <landrey@webrtc.org>
Commit-Queue: Björn Terelius <terelius@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31496}