add RBAC to 2020-10-01-preview autogen (#15836)

* add RBAC to 2020-10-01-preview autogen

* fix example

Author: dagoroz

specification/authorization/resource-manager/Microsoft.Authorization/preview/2015-06-01/authorization-ClassicAdminCalls.json

@@ -86,6 +86,7 @@
           "description": "The role of the administrator."
         }
       },
+      "type": "object",
       "description": "Classic Administrator properties."
     },
     "ClassicAdministrator": {
@@ -108,6 +109,7 @@
           "description": "Properties for the classic administrator."
         }
       },
+      "type": "object",
       "description": "Classic Administrators"
     },
     "ClassicAdministratorListResult": {
@@ -124,6 +126,7 @@
           "description": "The URL to use for getting the next set of results."
         }
       },
+      "type": "object",
       "description": "ClassicAdministrator list result information."
     }
   },

specification/authorization/resource-manager/Microsoft.Authorization/preview/2018-01-01-preview/authorization-ProviderOperationsCalls.json

@@ -142,6 +142,7 @@
           "description": "The resource type operations."
         }
       },
+      "type": "object",
       "description": "Resource Type"
     },
     "ProviderOperation": {
@@ -172,6 +173,7 @@
           "description": "The dataAction flag to specify the operation type."
         }
       },
+      "type": "object",
       "description": "Operation"
     },
     "ProviderOperationsMetadata": {
@@ -207,6 +209,7 @@
           "description": "The provider operations."
         }
       },
+      "type": "object",
       "description": "Provider Operations metadata"
     },
     "ProviderOperationsMetadataListResult": {
@@ -223,6 +226,7 @@
           "description": "The URL to use for getting the next set of results."
         }
       },
+      "type": "object",
       "description": "Provider operations metadata list"
     }
   },
@@ -233,6 +237,7 @@
       "required": true,
       "type": "string",
       "description": "The namespace of the resource provider.",
+      "x-ms-skip-url-encoding": true,
       "x-ms-parameter-location": "method"
     }
   }

specification/authorization/resource-manager/Microsoft.Authorization/preview/2018-01-01-preview/authorization-RoleAssignmentsCalls.json

@@ -661,6 +661,7 @@
       "required": true,
       "type": "string",
       "description": "The namespace of the resource provider.",
+      "x-ms-skip-url-encoding": true,
       "x-ms-parameter-location": "method"
     }
   }

specification/authorization/resource-manager/Microsoft.Authorization/preview/2018-01-01-preview/authorization-RoleDefinitionsCalls.json

@@ -88,7 +88,7 @@
             "$ref": "../../../../../common-types/resource-management/v2/types.json#/parameters/ResourceGroupNameParameter"
           },
           {
-            "$ref": "#/parameters/ResourceProviderNamespaceParameter"
+            "$ref": "../2020-10-01-preview/common-types.json#/parameters/ResourceProviderNamespaceParameter"
           },
           {
             "name": "parentResourcePath",
@@ -404,6 +404,7 @@
           "description": "Returns role definition with the specific type."
         }
       },
+      "type": "object",
       "description": "Role Definitions filter"
     },
     "RoleDefinitionProperties": {
@@ -436,6 +437,7 @@
           "description": "Role definition assignable scopes."
         }
       },
+      "type": "object",
       "description": "Role definition properties."
     },
     "RoleDefinition": {
@@ -461,6 +463,7 @@
           "description": "Role definition properties."
         }
       },
+      "type": "object",
       "description": "Role definition."
     },
     "RoleDefinitionListResult": {
@@ -477,6 +480,7 @@
           "description": "The URL to use for getting the next set of results."
         }
       },
+      "type": "object",
       "description": "Role definition list operation result."
     },
     "PermissionGetResult": {
@@ -493,6 +497,7 @@
           "description": "The URL to use for getting the next set of results."
         }
       },
+      "type": "object",
       "description": "Permissions information."
     },
     "Permission": {
@@ -526,18 +531,11 @@
           "description": "Denied Data actions."
         }
       },
+      "type": "object",
       "description": "Role definition permissions."
     }
   },
   "parameters": {
-    "ResourceProviderNamespaceParameter": {
-      "name": "resourceProviderNamespace",
-      "in": "path",
-      "required": true,
-      "type": "string",
-      "description": "The namespace of the resource provider.",
-      "x-ms-parameter-location": "method"
-    },
     "FilterParameter": {
       "name": "$filter",
       "in": "query",