{HDInsight}Fix some roundtrip S360 issues in api version 2015-03-01-preview

specification/hdinsight/resource-manager/Microsoft.HDInsight/preview/2015-03-01-preview/applications.json

@@ -316,11 +316,19 @@
         },
         "subDomainSuffix": {
           "type": "string",
-          "description": "The subdomain suffix of the application."
+          "description": "The subdomain suffix of the application.",
+          "x-ms-mutability": [
+            "create",
+            "update"
+          ]
         },
         "disableGatewayAuth": {
           "type": "boolean",
-          "description": "The value indicates whether to disable GatewayAuth."
+          "description": "The value indicates whether to disable GatewayAuth.",
+          "x-ms-mutability": [
+            "create",
+            "update"
+          ]
         }
       }
     },

specification/hdinsight/resource-manager/Microsoft.HDInsight/preview/2015-03-01-preview/cluster.json

@@ -756,7 +756,11 @@
           "additionalProperties": {
             "type": "string"
           },
-          "description": "The versions of different services in the cluster."
+          "description": "The versions of different services in the cluster.",
+          "x-ms-mutability": [
+            "create",
+            "read"
+          ]
         },
         "configurations": {
           "type": "object",
@@ -814,7 +818,11 @@
         },
         "organizationalUnitDN": {
           "type": "string",
-          "description": "The organizational unit within the Active Directory to place the cluster and service accounts."
+          "description": "The organizational unit within the Active Directory to place the cluster and service accounts.",
+          "x-ms-mutability": [
+            "create",
+            "read"
+          ]
         },
         "ldapsUrls": {
           "type": "array",
@@ -1060,7 +1068,11 @@
         },
         "VMGroupName": {
           "type": "string",
-          "description": "The name of the virtual machine group."
+          "description": "The name of the virtual machine group.",
+          "x-ms-mutability": [
+            "create",
+            "read"
+          ]
         },
         "autoscale": {
           "$ref": "#/definitions/Autoscale",
@@ -1214,7 +1226,11 @@
       "properties": {
         "enableComputeIsolation": {
           "type": "boolean",
-          "description": "The flag indicates whether enable compute isolation or not."
+          "description": "The flag indicates whether enable compute isolation or not.",
+          "x-ms-mutability": [
+            "create",
+            "read"
+          ]
         },
         "hostSku": {
           "type": "string",
@@ -1252,7 +1268,11 @@
             "name": "Tier",
             "modelAsString": false
           },
-          "default": "Standard"
+          "default": "Standard",
+          "x-ms-mutability": [
+            "create",
+            "read"
+          ]
         },
         "clusterDefinition": {
           "$ref": "#/definitions/ClusterDefinition",
@@ -1545,7 +1565,11 @@
         },
         "parameters": {
           "type": "string",
-          "description": "The parameters for the script"
+          "description": "The parameters for the script",
+          "x-ms-mutability": [
+            "create",
+            "update"
+          ]
         },
         "roles": {
           "type": "array",
@@ -1809,7 +1833,11 @@
           "x-ms-enum": {
             "name": "JsonWebKeyEncryptionAlgorithm",
             "modelAsString": true
-          }
+          },
+          "x-ms-mutability": [
+            "create",
+            "read"
+          ]
         },
         "msiResourceId": {
           "type": "string",