Updates the test runner script exit codes

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 ba438e1788f146aecdfbc1f8e231a2788db2be71..2b9347e1e5b05f184a5a326904b1eaa0bcacb4d0 100644
--- a/build/android/pylib/base/base_test_result.py
+++ b/build/android/pylib/base/base_test_result.py
@@ -4,6 +4,8 @@
 
 """Module containing base test results classes."""
 
+from pylib import constants
+
 
 class ResultType(object):
   """Class enumerating test types."""
@@ -22,6 +24,7 @@ class ResultType(object):
 
 class BaseTestResult(object):
   """Base class for a single test result."""
+
   def __init__(self, name, test_type, log=''):
     """Construct a BaseTestResult.
 
@@ -64,8 +67,10 @@ class BaseTestResult(object):
 
 class TestRunResults(object):
   """Set of results for a test run."""
+
   def __init__(self):
     self._results = set()
+    self.exit_code = 0
 
   def GetLogs(self):
     """Get the string representation of all test logs."""
@@ -110,6 +115,8 @@ class TestRunResults(object):
     """
     assert isinstance(result, BaseTestResult)
     self._results.add(result)
+    if result.GetType() not in [ResultType.PASS, ResultType.UNKNOWN]:
+      self.exit_code = constants.ERROR_EXIT_CODE
 
   def AddResults(self, results):
     """Add |results| to the set.
@@ -129,6 +136,7 @@ class TestRunResults(object):
     assert isinstance(results, TestRunResults)
     # pylint: disable=W0212
     self._results.update(results._results)
+    self.exit_code = self.exit_code or results.exit_code
 
   def GetAll(self):
     """Get the set of all test results."""