Reorganize Android's test scripts into packages.

build/android/pylib/host_driven/python_test_caller.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.
 
 """Helper module for calling python-based tests."""
 
 
 import logging
 import sys
 import time
 
-from test_result import TestResults
+from pylib.test_result import TestResults
 
 
 def CallPythonTest(test, options):
   """Invokes a test function and translates Python exceptions into test results.
 
   This method invokes SetUp()/TearDown() on the test. It is intended to be
   resilient to exceptions in SetUp(), the test itself, and TearDown(). Any
   Python exception means the test is marked as failed, and the test result will
   contain information about the exception.
 
@@ skipping 52 matching lines @@
         test.qualified_name)
     if not failed:
       # Don't stomp the error during the test if TearDown blows up. This is a
       # trade-off: if the test fails, this will mask any problem with TearDown
       # until the test is fixed.
       exc_info = sys.exc_info()
       result = TestResults.FromPythonException(test.qualified_name,
                                                start_date_ms, exc_info)
 
   return result