Move tracing/third_party/tvcm -> third_party/py_vulcanize.

third_party/py_vulcanize/run_py_tests

 #!/usr/bin/env python
 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import os
 import sys
 
 _CATAPULT = os.path.abspath(
-    os.path.join(os.path.dirname(__file__),
-                 os.path.pardir, os.path.pardir, os.path.pardir))
+    os.path.join(os.path.dirname(__file__), os.path.pardir, os.path.pardir))
 
 
 def _AddToPathIfNeeded(path):
   if path not in sys.path:
     sys.path.insert(0, path)
 
 
 if __name__ == '__main__':
   _AddToPathIfNeeded(_CATAPULT)
+
+  from hooks import install
+  if '--no-install-hooks' in sys.argv:
+    sys.argv.remove('--no-install-hooks')
+  else:
+    install.InstallHooks()
+
   from catapult_build import run_with_typ
   sys.exit(run_with_typ.Run(
-      os.path.join(_CATAPULT, 'tracing', 'third_party', 'tvcm')))
+      os.path.join(_CATAPULT, 'third_party', 'py_vulcanize')))