Revert of Attempt #4 to convert telemetry to the typ framework. (patchset #2 id:20001 of https://codereview.chromium.org/743463003/)

Reason for revert:
Sorry, this broke the bot:
http://build.chromium.org/p/chromium.linux/builders/Android%20Tests/builds/16871

Original issue's description:
> Attempt #4 to convert telemetry to the typ framework.
>
> This switches telemetry to use the typ python testing framework,
> which should allow us to run tests in parallel.
>
> The prior attempt was foiled by tools/chrome_proxy not having been
> updated; this attempt includes that change.
>
> R=dtu@chromium.org
> BUG=388256
> =
>
> Committed: https://crrev.com/9af6a9ac4b74e30551554793991a1e99db82aa66
> Cr-Commit-Position: refs/heads/master@{#304878}

TBR=dtu@chromium.org,dpranke@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=388256

Review URL: https://codereview.chromium.org/730183003

Cr-Commit-Position: refs/heads/master@{#304935}

1 files changed, 9 insertions, 13 deletions

diff --git a/tools/perf/run_tests b/tools/perf/run_tests
index ee83552..0f1f2dd 100755
--- a/tools/perf/run_tests
+++ b/tools/perf/run_tests
@@ -9,21 +9,17 @@ This script DOES NOT run benchmarks. run_benchmark does that.
 """
 
 import os
-import subprocess
 import sys
 
+sys.path.append(os.path.join(os.path.dirname(__file__), os.pardir, 'telemetry'))
 
-if __name__ == '__main__':
-  perf_dir = os.path.dirname(os.path.realpath(__file__))
-  telemetry_dir = os.path.realpath(os.path.join(perf_dir, '..', 'telemetry'))
+from telemetry.unittest_util import gtest_progress_reporter
+from telemetry.unittest_util import run_tests
 
-  env = os.environ.copy()
-  if 'PYTHONPATH' in env:
-    env['PYTHONPATH'] = env['PYTHONPATH'] + os.pathsep + telemetry_dir
-  else:
-    env['PYTHONPATH'] = telemetry_dir
 
-  path_to_run_tests = os.path.join(telemetry_dir, 'telemetry', 'unittest_util',
-                                   'run_tests.py')
-  argv = ['--top-level-dir', perf_dir] + sys.argv[1:]
-  sys.exit(subprocess.call([sys.executable, path_to_run_tests] + argv, env=env))
+if __name__ == '__main__':
+  base_dir = os.path.dirname(os.path.realpath(__file__))
+  progress_reporters = [
+      gtest_progress_reporter.GTestProgressReporter(sys.stdout)]
+  run_tests.config = run_tests.Config(base_dir, [base_dir], progress_reporters)
+  sys.exit(run_tests.RunTestsCommand.main())