[Android] Add a custom pylintrc for build/android/.

build/android/pylib/perf/test_runner.py

 # Copyright 2013 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.
 
 """Runs perf tests.
 
 Our buildbot infrastructure requires each slave to run steps serially.
 This is sub-optimal for android, where these steps can run independently on
 multiple connected devices.
 
@@ skipping 240 matching lines @@
     Returns:
       A tuple containing (Output, base_test_result.ResultType)
     """
     if not self._CheckDeviceAffinity(test_name):
       return '', base_test_result.ResultType.PASS
 
     try:
       logging.warning('Unmapping device ports')
       forwarder.Forwarder.UnmapAllDevicePorts(self.device)
       self.device.RestartAdbd()
-    except Exception as e:
+    except Exception as e: # pylint: disable=broad-except
       logging.error('Exception when tearing down device %s', e)
 
     cmd = ('%s --device %s' %
            (self._tests['steps'][test_name]['cmd'],
             self.device_serial))
 
     if self._options.collect_chartjson_data:
       self._output_dir = tempfile.mkdtemp()
       cmd = cmd + ' --output-dir=%s' % self._output_dir
 
@@ skipping 51 matching lines @@
     if exit_code == 0:
       result_type = base_test_result.ResultType.PASS
     else:
       result_type = base_test_result.ResultType.FAIL
       # Since perf tests use device affinity, give the device a chance to
       # recover if it is offline after a failure. Otherwise, the master sharder
       # will remove it from the pool and future tests on this device will fail.
       try:
         self.device.WaitUntilFullyBooted(timeout=120)
       except device_errors.CommandTimeoutError as e:
-        logging.error('Device failed to return after %s: %s' % (test_name, e))
+        logging.error('Device failed to return after %s: %s', test_name, e)
 
     actual_exit_code = exit_code
     if test_name in self._flaky_tests:
       # The exit_code is used at the second stage when printing the
       # test output. If the test is flaky, force to "0" to get that step green
       # whilst still gathering data to the perf dashboards.
       # The result_type is used by the test_dispatcher to retry the test.
       exit_code = 0
 
     persisted_result = {
@@ skipping 22 matching lines @@
     Returns:
       A tuple of (TestRunResults, retry).
     """
     _, result_type = self._LaunchPerfTest(test_name)
     results = base_test_result.TestRunResults()
     results.AddResult(base_test_result.BaseTestResult(test_name, result_type))
     retry = None
     if not results.DidRunPass():
       retry = test_name
     return results, retry