[Android] Don't use a device blacklist if one isn't provided. (RELAND 2)

testing/scripts/telemetry_perf_unittests.py

 #!/usr/bin/env python
 # Copyright 2014 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 json
 import os
 import sys
 
 
 import common
 
 
 def main_run(args):
   filter_tests = []
   if args.filter_file:
     filter_tests = json.load(args.filter_file)
 
   test_args = ['--retry-limit', '3']
   if 'android' == args.properties.get('target_platform'):
-    test_args += ['--browser', 'android-chromium', '--device', 'android']
+    test_args += [
+        '--browser', 'android-chromium',
+        '--device', 'android',
+        '--android-blacklist-file',
+        os.path.join(args.paths['checkout'], 'out', 'bad_devices.json'),
+    ]
   else:
     test_args += ['--browser', args.build_config_fs.lower()]
 
   with common.temporary_file() as tempfile_path:
     test_args += ['--write-full-results-to', tempfile_path]
     rc = common.run_runtest(args, [
         '--test-type', 'telemetry_perf_unittests',
         '--run-python-script',
         os.path.join(common.SRC_DIR, 'tools', 'perf', 'run_tests')
     ] + test_args + filter_tests)
@@ skipping 19 matching lines @@
   else:
     json.dump(['chrome'], args.output)
 
 
 if __name__ == '__main__':
   funcs = {
     'run': main_run,
     'compile_targets': main_compile_targets,
   }
   sys.exit(common.run_script(sys.argv[1:], funcs))