Update traffic annotation auditor's test build targets and output.

Build targets for traffic annotation auditor's tests are expanded to
cover all required generated files.
The test result is corrected.

Bug: 690323
Change-Id: Iefb2e61fda12e34aa85879da73f1f174baa56c38
TBR: dpranke@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/1016901Reviewed-by: Ramin Halavati <rhalavati@chromium.org>
Commit-Queue: Ramin Halavati <rhalavati@chromium.org>
Cr-Commit-Position: refs/heads/master@{#551724}

testing/scripts/check_network_annotation_auditor.py

@@ -33,8 +33,7 @@ def main_run(args):
 
 
 def main_compile_targets(args):
-  json.dump(['chrome', 'remoting/host:host', 'remoting/client:client'],
-            args.output)
+  json.dump(['all'], args.output)
 
 
 if __name__ == '__main__':

tools/traffic_annotation/scripts/traffic_annotation_auditor_tests.py

@@ -120,7 +120,7 @@ def main():
 
   args = parser.parse_args()
   checker = TrafficAnnotationTestsChecker(args.build_path)
-  return checker.RunAllTests()
+  return 1 if checker.RunAllTests() else 0
 
 
 if '__main__' == __name__: