[android] Instumentation tests determine whether to install test apk based on Md5Sum.

build/android/pylib/gtest/test_package_apk.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.
 
 """Defines TestPackageApk to help run APK-based native tests."""
 
 import logging
 import os
 import shlex
 import sys
@@ skipping 69 matching lines @@
         self._test_activity_name,
         wait_for_completion=True,
         action='android.intent.action.MAIN',
         force_stop=True)
 
   def _NeedsInstall(self):
     installed_apk_path = self.adb.GetApplicationPath(
         self._test_apk_package_name)
     if installed_apk_path:
       return not self.adb.CheckMd5Sum(
-          self.test_suite_full, installed_apk_path, ignore_paths=True)
+          self.test_suite_full, installed_apk_path)
     else:
       return True
 
   def _GetTestSuiteBaseName(self):
     """Returns the  base name of the test suite."""
     # APK test suite names end with '-debug.apk'
     return os.path.basename(self.test_suite).rsplit('-debug', 1)[0]
 
   #override
   def ClearApplicationState(self):
@@ skipping 35 matching lines @@
 
   #override
   def Install(self):
     self.tool.CopyFiles()
     if self._NeedsInstall():
       # Always uninstall the previous one (by activity name); we don't
       # know what was embedded in it.
       self.adb.ManagedInstall(self.test_suite_full, False,
                               package_name=self._test_apk_package_name)