Add debug data for Traffic Annotation FYI bot.

Traffic annotations FYI bot cannot access some files in build_path/gen.
Some Debug data is added to find out why?

TBR=msramek

Bug: 690323
Change-Id: I4fb716d8b843704bf48cfbb62d5b09a3791eb732
Reviewed-on: https://chromium-review.googlesource.com/966303Reviewed-by: Ramin Halavati <rhalavati@chromium.org>
Commit-Queue: Ramin Halavati <rhalavati@chromium.org>
Cr-Commit-Position: refs/heads/master@{#543702}

tools/traffic_annotation/scripts/traffic_annotation_auditor_tests.py

@@ -9,13 +9,14 @@
 import os
 import argparse
 import sys
+import subprocess
 
 from annotation_tools import NetworkTrafficAnnotationTools
 
 # If this test starts failing, please set TEST_IS_ENABLED to "False" and file a
 # bug to get this reenabled, and cc the people listed in
 # //tools/traffic_annotation/OWNERS.
-TEST_IS_ENABLED = False
+TEST_IS_ENABLED = True
 
 
 class TrafficAnnotationTestsChecker():
@@ -43,6 +44,13 @@ class TrafficAnnotationTestsChecker():
       print(stderr_text)
     return return_code
 
+# TODO(rhalavati): Remove this code.
+def RunDiagnostics(build_path):
+  subprocess.call(["ls", os.path.join(build_path, "gen")])
+  print("---")
+  subprocess.call(["ls", os.path.join(build_path,
+                                      "gen/net/data/ssl/certificates")])
+
 
 def main():
   if not TEST_IS_ENABLED:
@@ -57,6 +65,9 @@ def main():
            'found.')
 
   args = parser.parse_args()
+  RunDiagnostics(args.build_path)
+  return 0
+
   checker = TrafficAnnotationTestsChecker(args.build_path)
   return checker.RunAllTests()