Add debug data to traffic_annotation_auditor_tests.

Debug data is added to traffic_annotation_auditor_test to search for
win-annotator-rel FYI bot bug.

Bug: 844014
Change-Id: Ie0a8b34cb725b02fad08fbdc4e0918d373b9e1a7
TBR: georgesak@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/1123832Reviewed-by: Ramin Halavati <rhalavati@chromium.org>
Commit-Queue: Ramin Halavati <rhalavati@chromium.org>
Cr-Commit-Position: refs/heads/master@{#572166}

tools/traffic_annotation/scripts/traffic_annotation_auditor_tests.py

@@ -91,6 +91,9 @@ class TrafficAnnotationTestsChecker():
     _, stderr_text, return_code = self.tools.RunAuditor(
         args + ["--annotations-file=%s" % temp_filename])
 
+    # TODO(https://crbug.com/844014): Remove after debugging.
+    print("Return Code: %i" % return_code)
+    print("File Exists: %i" % os.path.exists(temp_filename))
     if os.path.exists(temp_filename):
       annotations = None if return_code else open(temp_filename).read()
       os.remove(temp_filename)