Update ops-related pbtxt files.

PiperOrigin-RevId: 161726324

tensorflow/core/ops/compat/ops_history.v1.pbtxt

@@ -11204,6 +11204,18 @@ op {
   }
   is_stateful: true
 }
+op {
+  name: "IteratorFromStringHandle"
+  input_arg {
+    name: "string_handle"
+    type: DT_STRING
+  }
+  output_arg {
+    name: "resource_handle"
+    type: DT_RESOURCE
+  }
+  is_stateful: true
+}
 op {
   name: "IteratorGetNext"
   input_arg {
@@ -11228,6 +11240,18 @@ op {
   }
   is_stateful: true
 }
+op {
+  name: "IteratorToStringHandle"
+  input_arg {
+    name: "resource_handle"
+    type: DT_RESOURCE
+  }
+  output_arg {
+    name: "string_handle"
+    type: DT_STRING
+  }
+  is_stateful: true
+}
 op {
   name: "L2Loss"
   input_arg {

tensorflow/core/ops/ops.pbtxt

@@ -10567,6 +10567,21 @@ op {
   summary: "Releases any resources used by the given iterator."
   is_stateful: true
 }
+op {
+  name: "IteratorFromStringHandle"
+  input_arg {
+    name: "string_handle"
+    description: "A string representation of the given handle."
+    type: DT_STRING
+  }
+  output_arg {
+    name: "resource_handle"
+    description: "A handle to an iterator resource."
+    type: DT_RESOURCE
+  }
+  summary: "Converts the given string representing a handle to an iterator to a resource."
+  is_stateful: true
+}
 op {
   name: "IteratorGetNext"
   input_arg {
@@ -10592,6 +10607,21 @@ op {
   summary: "Gets the next output from the given iterator."
   is_stateful: true
 }
+op {
+  name: "IteratorToStringHandle"
+  input_arg {
+    name: "resource_handle"
+    description: "A handle to an iterator resource."
+    type: DT_RESOURCE
+  }
+  output_arg {
+    name: "string_handle"
+    description: "A string representation of the given handle."
+    type: DT_STRING
+  }
+  summary: "Converts the given `resource_handle` representing an iterator to a string."
+  is_stateful: true
+}
 op {
   name: "L2Loss"
   input_arg {