forward fix compatibility test regression (#3179)

Summary:
Pull Request resolved: #3179

this is to fix regression test caused by new parameter virtual_table_eviction_policy in embedding bag

Reviewed By: PoojaAg18

Differential Revision: D78099867

fbshipit-source-id: 9e5faa4a40b1ff3908eb0f8778b618698b18800e

Author: emlin

torchrec/schema/api_tests/test_embedding_config_schema.py

@@ -18,6 +18,7 @@
     EmbeddingBagConfig,
     EmbeddingConfig,
     PoolingType,
+    VirtualTableEvictionPolicy,
 )
 
 from torchrec.schema.utils import is_signature_compatible
@@ -41,6 +42,7 @@ class StableEmbeddingBagConfig:
     input_dim: Optional[int] = None
     total_num_buckets: Optional[int] = None
     use_virtual_table: bool = False
+    virtual_table_eviction_policy: Optional[VirtualTableEvictionPolicy] = None
     pooling: PoolingType = PoolingType.SUM