Add counting the number of CPU's in goma module

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

Index: scripts/slave/recipe_modules/goma/example.expected/linux.json
diff --git a/scripts/slave/recipe_modules/goma/example.expected/linux.json b/scripts/slave/recipe_modules/goma/example.expected/linux.json
index a89f8c482de9aa3bb2c7451051b29a4d22c87290..63f551d8355852c96236496c293768e532728d05 100644
--- a/scripts/slave/recipe_modules/goma/example.expected/linux.json
+++ b/scripts/slave/recipe_modules/goma/example.expected/linux.json
@@ -61,6 +61,29 @@
     "cmd": [
       "python",
       "-u",
+      "\nimport multiprocessing\nprint min(200, multiprocessing.cpu_count() * 10)\n"
+    ],
+    "name": "ensure_goma.get the number of cpus",
+    "stdout": "/path/to/tmp/",
+    "~followup_annotations": [
+      "@@@STEP_NEST_LEVEL@1@@@",
+      "@@@STEP_LOG_LINE@python.inline@@@@",
+      "@@@STEP_LOG_LINE@python.inline@import multiprocessing@@@",
+      "@@@STEP_LOG_LINE@python.inline@print min(200, multiprocessing.cpu_count() * 10)@@@",
+      "@@@STEP_LOG_END@python.inline@@@"
+    ]
+  },
+  {
+    "cmd": [
+      "echo",
+      "40"
+    ],
+    "name": "echo"
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
       "[CACHE]/cipd/goma/goma_ctl.py",
       "restart"
     ],