Add counting the number of CPU's in goma module

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

 [
   {
     "cmd": [],
     "name": "ensure_goma"
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::cipd]/resources/bootstrap.py",
@@ skipping 68 matching lines @@
       "[CACHE]/cipd/goma/cloudtail"
     ],
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },
     "name": "start cloudtail",
     "stdout": "/path/to/tmp/"
   },
   {
     "cmd": [
+      "echo",
+      "80"
+    ],
+    "name": "echo goma jobs"
+  },
+  {
+    "cmd": [
+      "echo",
+      "80"
+    ],
+    "name": "echo goma jobs second"
+  },
+  {
+    "cmd": [
       "python",
       "-u",
       "[CACHE]/cipd/goma/goma_ctl.py",
       "jsonstatus",
       "[CACHE]/cipd/goma/jsonstatus"
     ],
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },
     "name": "goma_jsonstatus"
@@ skipping 56 matching lines @@
       "12345"
     ],
     "name": "stop cloudtail"
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]