Updates the test runner script exit codes

build/android/pylib/browsertests/dispatch.py

Index: build/android/pylib/browsertests/dispatch.py
diff --git a/build/android/pylib/browsertests/dispatch.py b/build/android/pylib/browsertests/dispatch.py
index 8457cf2f618986b8f1bad9770d3273bf9eabf35a..5daba5cc379853289bcf1f7d1ae6756923e9adc6 100644
--- a/build/android/pylib/browsertests/dispatch.py
+++ b/build/android/pylib/browsertests/dispatch.py
@@ -23,7 +23,15 @@ from common import unittest_util
 
 
 def Dispatch(options):
-  """Dispatches all content_browsertests."""
+  """Dispatches all content_browsertests.
+
+  Args:
+    options: optparse.Options object containing command-line options
+  Returns:
+    base_test_result.TestRunResults object with the results of running the tests
+  Raises:
+    Exception: Failed to reset the test server port.
+  """
 
   attached_devices = []
   if options.test_device:
@@ -88,7 +96,7 @@ def Dispatch(options):
       flakiness_server=options.flakiness_dashboard_server)
   report_results.PrintAnnotation(test_results)
 
-  return len(test_results.GetNotPass())
+  return test_results
 
 
 def _FilterTests(all_enabled_tests):