When we run webrtc_perf_tests with gtest-parallel, each test is run
individually, and this results in the file with the perf results being
overwritten each time.
To avoid this, we won't use gtest-parallel when running webrtc_perf_tests,
so we will simply run the binary directly.
TBR=phoglund@chromium.org
Bug: chromium:755660
Change-Id: I24db36e512fcf604a3de2adf4d0b4325b2c3d1ae
Reviewed-on: https://webrtc-review.googlesource.com/49340
Reviewed-by: Edward Lemur <ehmaldonado@webrtc.org>
Reviewed-by: Henrik Lundin <henrik.lundin@webrtc.org>
Commit-Queue: Edward Lemur <ehmaldonado@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#21982}