Update ops-related pbtxt files.

PiperOrigin-RevId: 286317185
Change-Id: I8307567b315bcea4056a37bd9eb374861db20f32

tensorflow/core/ops/compat/ops_history_v1/SerializeIterator.pbtxt

@@ -10,3 +10,22 @@ op {
   }
   is_stateful: true
 }
+op {
+  name: "SerializeIterator"
+  input_arg {
+    name: "resource_handle"
+    type: DT_RESOURCE
+  }
+  output_arg {
+    name: "serialized"
+    type: DT_VARIANT
+  }
+  attr {
+    name: "external_state_policy"
+    type: "int"
+    default_value {
+      i: 0
+    }
+  }
+  is_stateful: true
+}

tensorflow/core/ops/ops.pbtxt

@@ -40455,6 +40455,13 @@ op {
     name: "serialized"
     type: DT_VARIANT
   }
+  attr {
+    name: "external_state_policy"
+    type: "int"
+    default_value {
+      i: 0
+    }
+  }
   is_stateful: true
 }
 op {