Tracing: Better trace event name

I forgot to update the trace event name when I changed the CL to
log full samples instead of deltas.

BUG=927067

Change-Id: Iafa58b37dfd68392ae784dfbb31bcd31d0784a31
Reviewed-on: https://chromium-review.googlesource.com/c/1448687
Reviewed-by: oysteine <oysteine@chromium.org>
Commit-Queue: Ehsan Chiniforooshan <chiniforooshan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#629033}
1 file changed