Add EasyCom encoder-only comparison workflow

run_easycom_encoder_only.py

@@ -0,0 +1,16 @@
+"""EasyCom encoder-only: train Session 4..12, test 3/2/1, four epochs, no dev."""
+
+import run_ego4d_encoder_only as workflow
+from run_ego4d_encoder_only import experiment_commands, preflight, run_paths
+
+
+def parse_args(argv=None):
+    return workflow.parse_args(argv, dataset="easycom")
+
+
+def main(argv=None):
+    return workflow.main(argv, dataset="easycom")
+
+
+if __name__ == "__main__":
+    main()