Run telemetry_perf_unittests via isolate on "Mac tests", "Linux tests" and trybot with swarming.

Swarming on Mac 10.9 is disabled temporarily because of
crbug.com/551405 (patch 2)

Swarmed telemetry_perf_unittest passed on Mac 10.6, 10.8:

http://build.chromium.org/p/chromium.mac/builders/Mac10.6%20Tests/builds/8616/steps/telemetry_perf_unittests%20on%20Mac-10.6/logs/stdio

http://build.chromium.org/p/chromium.mac/builders/Mac10.8%20Tests/builds/10641/steps/telemetry_perf_unittests/logs/stdio

This is a reland of https://codereview.chromium.org/1412333004/.

Review URL: https://codereview.chromium.org/1419143006

Cr-Commit-Position: refs/heads/master@{#357848}
8 files changed