Stop redirect stdout/stderr and remove close_fds=True

scripts/slave/recipes/wasm_llvm.expected/linux.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
       "--spec",
       "cache_dir = '[GIT_CACHE]'\nsolutions = [{'deps_file': '.DEPS.git', 'managed': True, 'name': 'src', 'url': 'https://chromium.googlesource.com/external/github.com/WebAssembly/waterfall.git'}]",
       "--patch_root",
       "src",
@@ skipping 108 matching lines @@
     },
     "name": "start_goma"
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::goma]/resources/cloudtail_utils.py",
       "start",
       "--cloudtail-path",
-      "[CACHE]/cipd/goma/cloudtail"
+      "[CACHE]/cipd/goma/cloudtail",
+      "--pid-file",
+      "[TMP_BASE]/cloudtail.pid"
     ],
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },
-    "name": "start cloudtail",
-    "stdout": "/path/to/tmp/"
+    "name": "start cloudtail"
   },
   {
     "allow_subannotations": true,
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/src/src/build.py"
     ],
     "cwd": "[SLAVE_BUILD]/src",
     "env": {
@@ skipping 63 matching lines @@
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },
     "name": "upload_log"
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::goma]/resources/cloudtail_utils.py",
       "stop",
-      "--killed-pid",
-      "12345"
+      "--killed-pid-file",
+      "[TMP_BASE]/cloudtail.pid"
     ],
     "name": "stop cloudtail"
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]