Flakiness dashboard: dump test results json instead of gtest json.

scripts/slave/recipe_modules/test_results/resources/upload_gtest_test_results.py

Index: scripts/slave/recipe_modules/test_results/resources/upload_gtest_test_results.py
diff --git a/scripts/slave/recipe_modules/test_results/resources/upload_gtest_test_results.py b/scripts/slave/recipe_modules/test_results/resources/upload_gtest_test_results.py
index e8202f7e1d217b2c30dc2a55e2b8d3b86f92e14d..d22a0ccd496b2cfb44becaf31fda1ec6dd03ca0d 100755
--- a/scripts/slave/recipe_modules/test_results/resources/upload_gtest_test_results.py
+++ b/scripts/slave/recipe_modules/test_results/resources/upload_gtest_test_results.py
@@ -149,9 +149,12 @@ def main():
           options.test_results_server, attrs, files, 120)
     except test_results_uploader.PermanentError as e:
       # Dump the offending input gtest json to stderr to aid in debugging.
-      print>>sys.stderr, 'Dump of input gtest json causing a permanent error:'
-      with file(options.input_gtest_json) as json_file:
-        sys.stderr.write(json_file.read())
+      print>>sys.stderr, 'Dump of test results json causing a permanent error:'
+      for _, json_filename in files:
+        with file(json_filename) as json_file:
+          print>>sys.stderr, '%s:' % json_filename
+          sys.stderr.write(json_file.read())
+        print>>sys.stderr, ''
       raise
   return 0