[Android] Fix misnamed method in r212582.

build/android/pylib/instrumentation/test_runner.py

 # Copyright (c) 2012 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.
 
 """Class for running instrumentation tests on a single device."""
 
 import logging
 import os
 import re
 import shutil
@@ skipping 141 matching lines @@
     # launch lighttpd with same port at same time.
     http_server_ports = self.LaunchTestHttpServer(
         os.path.join(constants.DIR_SOURCE_ROOT), self._lighttp_port)
     if self.ports_to_forward:
       self.ForwardPorts([(port, port) for port in self.ports_to_forward])
     self.flags.AddFlags(['--enable-test-intents'])
 
   def TearDown(self):
     """Cleans up the test harness and saves outstanding data from test run."""
     if self.ports_to_forward:
-      self._UnmapPortPairs(self.ports_to_forward)
+      self._UnmapPorts([(port, port) for port in self.ports_to_forward])
     super(TestRunner, self).TearDown()
 
   def TestSetup(self, test):
     """Sets up the test harness for running a particular test.
 
     Args:
       test: The name of the test that will be run.
     """
     self.SetupPerfMonitoringIfNeeded(test)
     self._SetupIndividualTestTimeoutScale(test)
@@ skipping 180 matching lines @@
         duration_ms = 0
       message = str(e)
       if not message:
         message = 'No information.'
       results.AddResult(test_result.InstrumentationTestResult(
           test, base_test_result.ResultType.CRASH, start_date_ms, duration_ms,
           log=message))
       raw_result = None
     self.TestTeardown(test, raw_result)
     return (results, None if results.DidRunPass() else test)