Stop to use contextmanager for goma.build_with_goma

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

 [
   {
     "cmd": [],
     "name": "ensure_goma"
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::cipd]\\resources\\bootstrap.py",
@@ skipping 126 matching lines @@
       "GOMA_DUMP_STATS_FILE": "build_data_dir\\goma_stats_proto",
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "C:\\creds\\service_accounts\\service-account-goma-client.json"
     },
     "name": "preprocess_for_goma.upload_goma_start_failed_logs",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
+      "python",
+      "-u",
+      "RECIPE_PACKAGE_REPO[build]\\scripts\\slave\\update_windows_env.py",
+      "--envfile-dir",
+      "out/Release"
+    ],
+    "env": {
+      "GOMA_DISABLED": "true"
+    },
+    "name": "update windows env"
+  },
+  {
+    "cmd": [
       "ninja",
       "-C",
       "out/Release"
     ],
     "env": {
       "GOMA_DISABLED": "true"
     },
     "name": "ninja"
   },
   {
@@ skipping 33 matching lines @@
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "C:\\creds\\service_accounts\\service-account-goma-client.json"
     },
     "name": "upload log goma start failed"
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]