Skip uploading benchmark records when there is no model name (#141145)

Summary:
A small fix I just realize after pytorch/pytorch#141087.

X-link: pytorch/pytorch#141145
Approved by: https://github.com/malfet

Reviewed By: izaitsevfb

Differential Revision: D66262943

Pulled By: huydhn

fbshipit-source-id: 4ccec00d23bac753fbba3ad1a39de1569efd11f8

userbenchmark/dynamo/dynamobench/common.py

@@ -420,6 +420,10 @@ def output_json(filename, headers, row):
             if header in ("dev", "name", "batch_size"):
                 continue
 
+            # Make sure that the record is valid
+            if not current_name:
+                continue
+
             record = {
                 "benchmark": {
                     "name": "TorchInductor",