Update resource list

Author: Autogenerator Pipeline

generator/resources.json

@@ -1475,22 +1475,34 @@
   "Microsoft.DesktopVirtualization/applicationGroups": [
     "2019-01-23-preview",
     "2019-09-24-preview",
-    "2019-12-10-preview"
+    "2019-12-10-preview",
+    "2020-09-21-preview",
+    "2020-10-19-preview"
   ],
   "Microsoft.DesktopVirtualization/applicationGroups/applications": [
     "2019-01-23-preview",
     "2019-09-24-preview",
-    "2019-12-10-preview"
+    "2019-12-10-preview",
+    "2020-09-21-preview",
+    "2020-10-19-preview"
   ],
   "Microsoft.DesktopVirtualization/hostPools": [
     "2019-01-23-preview",
     "2019-09-24-preview",
-    "2019-12-10-preview"
+    "2019-12-10-preview",
+    "2020-09-21-preview",
+    "2020-10-19-preview"
+  ],
+  "Microsoft.DesktopVirtualization/hostPools/msixPackages": [
+    "2020-09-21-preview",
+    "2020-10-19-preview"
   ],
   "Microsoft.DesktopVirtualization/workspaces": [
     "2019-01-23-preview",
     "2019-09-24-preview",
-    "2019-12-10-preview"
+    "2019-12-10-preview",
+    "2020-09-21-preview",
+    "2020-10-19-preview"
   ],
   "Microsoft.DevOps/pipelines": [
     "2019-07-01-preview"