support subdomainsuffix parameter when create application (#6150)

specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2018-06-01-preview/applications.json

@@ -250,6 +250,14 @@
                     "type": "integer",
                     "format": "int32",
                     "description": "The public port to connect to."
+                },
+                "subDomainSuffix":{
+                    "type": "string",
+                    "description": "The subDomainSuffix of the application and can not greater than 3 characters."
+                },
+                "disableGatewayAuth":{
+                    "type": "boolean",
+                    "description": "The value indicates whether to disable GatewayAuth."
                 }
             }
         },

specification/hdinsight/resource-manager/Microsoft.HDInsight/stable/2018-06-01-preview/examples/CreateApplication.json

@@ -32,7 +32,6 @@
                         "WebPage"
                     ]
                 }],
-                "provisioningState": "",
                 "applicationType": "CustomApplication",
                 "errors": []
             }