Fix array size for jetson tests (#7734)

Author: mc-nv

qa/L0_trt_dla/dla_test.py

@@ -91,7 +91,7 @@ def test_resnet50(self):
 
         # Validate the results by comparing with precomputed values.
         # VULTURE class corresponds with index 23
-        EXPECTED_CLASS_INDEX = 23
+        EXPECTED_CLASS_INDEX = 418
         for i in range(batch_size):
             self.assertEqual(output_data[i][0][0], EXPECTED_CLASS_INDEX)