Update from https://crrev.com/304121

build/android/pylib/base/base_test_result.py

Index: build/android/pylib/base/base_test_result.py
diff --git a/build/android/pylib/base/base_test_result.py b/build/android/pylib/base/base_test_result.py
index 1f45214d2cdac78d26748eba306be48744fbc6dc..f9e61a96725308c72e5c3cd4978c2f2eba7d1dde 100644
--- a/build/android/pylib/base/base_test_result.py
+++ b/build/android/pylib/base/base_test_result.py
@@ -23,18 +23,20 @@ class ResultType(object):
 class BaseTestResult(object):
   """Base class for a single test result."""
 
-  def __init__(self, name, test_type, log=''):
+  def __init__(self, name, test_type, duration=0, log=''):
     """Construct a BaseTestResult.
 
     Args:
       name: Name of the test which defines uniqueness.
       test_type: Type of the test result as defined in ResultType.
+      duration: Time it took for the test to run in milliseconds.
       log: An optional string listing any errors.
     """
     assert name
     assert test_type in ResultType.GetTypes()
     self._name = name
     self._test_type = test_type
+    self._duration = duration
     self._log = log
 
   def __str__(self):
@@ -66,6 +68,10 @@ class BaseTestResult(object):
     """Get the test result type."""
     return self._test_type
 
+  def GetDuration(self):
+    """Get the test duration."""
+    return self._duration
+
   def GetLog(self):
     """Get the test log."""
     return self._log