Make timestamps on the charts for metrics reported from DefaultVideoQualityAnalyzer more precise. Bug: webrtc:11959 Change-Id: I805fdac0d499b7326d6bc2240154c1c31ca81a62 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/184602 Reviewed-by: Andrey Logvin <landrey@webrtc.org> Commit-Queue: Artem Titov <titovartem@webrtc.org> Cr-Commit-Position: refs/heads/master@{#32149}