This CL increases tolerance for time measurement variability,
from 1% to 5%. This accounts for heavily loaded bots in CI.
Bug: webrtc:10553
Change-Id: I014f856f9e358f2871a2df8bc39ab0995fdc971f
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/159284
Reviewed-by: Artem Titov <titovartem@webrtc.org>
Commit-Queue: Yves Gerey <yvesg@google.com>
Cr-Commit-Position: refs/heads/master@{#29765}