[Android] Rework instrumentation test skipping and result generation.

build/android/pylib/base/base_test_result.py

 # Copyright (c) 2013 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.
 
 """Module containing base test results classes."""
 
 class ResultType(object):
   """Class enumerating test types."""
   PASS = 'PASS'
   SKIP = 'SKIP'
@@ skipping 59 matching lines @@
     self._test_type = test_type
 
   def GetType(self):
     """Get the test result type."""
     return self._test_type
 
   def GetDuration(self):
     """Get the test duration."""
     return self._duration
 
+  def SetLog(self, log):
+    """Set the test log."""
+    self._log = log
+
   def GetLog(self):
     """Get the test log."""
     return self._log
 
 
 class TestRunResults(object):
   """Set of results for a test run."""
 
   def __init__(self):
     self._results = set()
@@ skipping 113 matching lines @@
     return self._GetType(ResultType.UNKNOWN)
 
   def GetNotPass(self):
     """Get the set of all non-passed test results."""
     return self.GetAll() - self.GetPass()
 
   def DidRunPass(self):
     """Return whether the test run was successful."""
     return not self.GetNotPass() - self.GetSkip()