Add step to show goma stat in goma module

scripts/slave/recipe_modules/goma/example.expected/win.json

 [
   {
     "cmd": [],
     "name": "ensure_goma"
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::cipd]\\resources\\bootstrap.py",
@@ skipping 84 matching lines @@
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "C:\\creds\\service_accounts\\service-account-goma-client.json"
     },
     "name": "goma_jsonstatus"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[CACHE]\\cipd\\goma\\goma_ctl.py",
+      "stat"
+    ],
+    "env": {
+      "GOMA_SERVICE_ACCOUNT_JSON_FILE": "C:\\creds\\service_accounts\\service-account-goma-client.json"
+    },
+    "name": "goma_stat"
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "[CACHE]\\cipd\\goma\\goma_ctl.py",
       "stop"
     ],
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "C:\\creds\\service_accounts\\service-account-goma-client.json"
     },
     "name": "stop_goma"
   },
   {
     "cmd": [
       "python",
@@ skipping 28 matching lines @@
       "12345"
     ],
     "name": "stop cloudtail"
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]