Don't print all the other measurements and values, since they'll
just add noise to the perf bot dashboards. Also increase the
run time of the DrawCallPerfTest to 10.0 seconds.

BUG=angleproject:744
BUG=468852

Change-Id: If076055ad46b4e6923f39687edcaa25930b188a7
Reviewed-on: https://chromium-review.googlesource.com/265464Tested-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>