Use the PrintResult* functions from test/testsupport/perf_test.h
instead of using printf directly.
Bug: webrtc:8566
Change-Id: Icc3418402e5fbe4e695a64d0523e1f64aa27edf8
Reviewed-on: https://webrtc-review.googlesource.com/36420
Reviewed-by: Henrik Andreassson <henrika@webrtc.org>
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Commit-Queue: Edward Lemur <ehmaldonado@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#21483}