Have nanobench --verbose mode always just print integer nanoseconds.

Don't know that anyone but me is using this.  Speak up now!

BUG=skia:

NOTREECHECKS=true
R=mtklein@google.com, tfarina@chromium.org

Author: mtklein@chromium.org

Review URL: https://codereview.chromium.org/599913002
1 file changed