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

build/android/pylib/host_driven/python_test_base.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.
 
 """Base class for Android Python-driven tests.
 
 This test case is intended to serve as the base class for any Python-driven
 tests. It is similar to the Python unitttest module in that the user's tests
 inherit from this case and add their tests in that case.
 
@@ skipping 62 matching lines @@
       test: name of the test method to run (e.g. testFooBar)
 
     Returns:
       TestRunResults object with a single test result.
     """
     test = self._ComposeFullTestName(fname, suite, test)
     test_pkg = test_package.TestPackage(
         self.options.test_apk_path, self.options.test_apk_jar_path)
     java_test_runner = test_runner.TestRunner(self.options.build_type,
                                               self.options.test_data,
-                                              self.options.install_apk,
                                               self.options.save_perf_json,
                                               self.options.screenshot_failures,
                                               self.options.tool,
                                               self.options.wait_for_debugger,
                                               self.options.disable_assertions,
                                               self.options.push_deps,
                                               self.options.cleanup_test_files,
                                               self.device_id,
                                               self.shard_index, test_pkg,
                                               self.ports_to_forward)
@@ skipping 41 matching lines @@
 
   def _ComposeFullTestName(self, fname, suite, test):
     package_name = self._GetPackageName(fname)
     return package_name + '.' + suite + '#' + test
 
   def _GetPackageName(self, fname):
     """Extracts the package name from the test file path."""
     dirname = os.path.dirname(fname)
     package = dirname[dirname.rfind(BASE_ROOT) + len(BASE_ROOT):]
     return package.replace(os.sep, '.')