Update ops-related pbtxt files.

PiperOrigin-RevId: 168021828

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

@@ -303,6 +303,49 @@ op {
   is_aggregate: true
   is_commutative: true
 }
+op {
+  name: "AddN"
+  input_arg {
+    name: "inputs"
+    type_attr: "T"
+    number_attr: "N"
+  }
+  output_arg {
+    name: "sum"
+    type_attr: "T"
+  }
+  attr {
+    name: "N"
+    type: "int"
+    has_minimum: true
+    minimum: 1
+  }
+  attr {
+    name: "T"
+    type: "type"
+    allowed_values {
+      list {
+        type: DT_FLOAT
+        type: DT_DOUBLE
+        type: DT_INT64
+        type: DT_INT32
+        type: DT_UINT8
+        type: DT_UINT16
+        type: DT_INT16
+        type: DT_INT8
+        type: DT_COMPLEX64
+        type: DT_COMPLEX128
+        type: DT_QINT8
+        type: DT_QUINT8
+        type: DT_QINT32
+        type: DT_HALF
+        type: DT_VARIANT
+      }
+    }
+  }
+  is_aggregate: true
+  is_commutative: true
+}
 op {
   name: "AddSparseToTensorsMap"
   input_arg {

tensorflow/core/ops/ops.pbtxt

@@ -334,6 +334,7 @@ op {
         type: DT_QUINT8
         type: DT_QINT32
         type: DT_HALF
+        type: DT_VARIANT
       }
     }
   }