GitLab

Add a config param to limit the total trace buffer size

BUG=859260

Change-Id: Ic15e5aa0d381273eadcdad270d955441386cd288
Reviewed-on: https://chromium-review.googlesource.com/1182510
Commit-Queue: Siddhartha S <ssid@chromium.org>
Reviewed-by: oysteine <oysteine@chromium.org>
Cr-Commit-Position: refs/heads/master@{#584654}