Mark input and output shapes attribute as deprecated in TRTEngineOp

PiperOrigin-RevId: 258412619

tensorflow/compiler/tf2tensorrt/ops/trt_engine_op.cc

@@ -33,8 +33,6 @@ namespace tensorflow {
 // key to cache the instantiated functions for different executor subgraphs.
 REGISTER_OP("TRTEngineOp")
     .Attr("serialized_segment: string")
-    .Attr("input_shapes: list(shape)")
-    .Attr("output_shapes: list(shape)")
     .Attr("segment_funcdef_name: string")
     .Attr("InT: list({int8,float16,float32,int32})")
     .Attr("OutT: list({int8,float16,float32,int32})")
@@ -55,6 +53,8 @@ REGISTER_OP("TRTEngineOp")
     // Deprecated attributes.
     .Attr("cached_engine_batches: list(int) >= 0 = []")
     .Attr("fixed_input_size: bool = true")
+    .Attr("input_shapes: list(shape)")
+    .Attr("output_shapes: list(shape)")
     .Attr("static_engine: bool = true");
 }  // namespace tensorflow