[Android] Configurable instrumentation test runner + test SDK levels.

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 sys
@@ skipping 316 matching lines @@
       return 5 * 60
     if 'MediumTest' in annotations:
       return 3 * 60
     if 'SmallTest' in annotations:
       return 1 * 60
 
     logging.warn(("Test size not found in annotations for test '{0}', using " +
                   "1 minute for timeout.").format(test))
     return 1 * 60
 
+  def RunInstrumentationTest(self, test, test_package, instr_args, timeout):
+    """Runs a single instrumentation test.
+
+    Args:
+      test: Test class/method.
+      test_package: Package name of test apk.
+      instr_args: Extra key/value to pass to am instrument.
+      timeout: Timeout time in seconds.
+
+    Returns:
+      An instance of am_instrument_parser.TestResult object.
+    """
+    instrumentation_path = (
+        '%s/%s' % (test_package, self.options.test_runner))
+    args_with_filter = dict(instr_args)
+    args_with_filter['class'] = test
+    logging.info(args_with_filter)
+    (raw_results, _) = self.device.old_interface.Adb().StartInstrumentation(
+        instrumentation_path=instrumentation_path,
+        instrumentation_args=args_with_filter,
+        timeout_time=timeout)
+    assert len(raw_results) == 1
+    return raw_results[0]
+
+
   def _RunTest(self, test, timeout):
     try:
-      return self.device.old_interface.RunInstrumentationTest(
+      return self.RunInstrumentationTest(
           test, self.test_pkg.GetPackageName(),
           self._GetInstrumentationArgs(), timeout)
     except (device_errors.CommandTimeoutError,
             # TODO(jbudorick) Remove this once the underlying implementations
             #                 for the above are switched or wrapped.
             android_commands.errors.WaitForResponseTimedOutError):
       logging.info('Ran the test with timeout of %ds.' % timeout)
       raise
 
   #override
@@ skipping 43 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)