This seems to be the convention in other trace events.

R=ahaas@chromium.org

Bug: v8:11074
Change-Id: Icf7be6ba3d52cac8c77dec787f294a3edee44d20
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2521590
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#71017}