[Hub Generated] Review request for Microsoft.DigitalTwins to add vers…

…ion stable/2020-10-31 (Azure#10902)

* Fix code generation issue

* Resolved merge conflict

specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2020-10-31/digitaltwins.json

@@ -895,6 +895,7 @@
     "ExternalResource": {
       "description": "Definition of a resource.",
       "type": "object",
+      "x-ms-azure-resource": true,
       "properties": {
         "id": {
           "readOnly": true,
@@ -916,7 +917,6 @@
     },
     "DigitalTwinsEndpointResource": {
       "description": "DigitalTwinsInstance endpoint resource.",
-      "x-ms-azure-resource": true,
       "allOf": [
         {
           "$ref": "#/definitions/ExternalResource"