Revert "build: roll infra_paths changes"

scripts/slave/recipes/gatekeeper.expected/keep_going.json

Index: scripts/slave/recipes/gatekeeper.expected/keep_going.json
diff --git a/scripts/slave/recipes/gatekeeper.expected/keep_going.json b/scripts/slave/recipes/gatekeeper.expected/keep_going.json
index 00bc6d4146d86ab0e9c6debb393b9f3581455f56..44d62e57a571accd522e6fce7cd84cd9bd8095a3 100644
--- a/scripts/slave/recipes/gatekeeper.expected/keep_going.json
+++ b/scripts/slave/recipes/gatekeeper.expected/keep_going.json
@@ -4,9 +4,10 @@
       "python",
       "-u",
       "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
-      "[ROOT]/b/build/scripts/slave/gatekeeper_trees.json",
+      "[BUILD]/scripts/slave/gatekeeper_trees.json",
       "/path/to/tmp/json"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "reading gatekeeper_trees.json",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -38,8 +39,9 @@
       "RECIPE_PACKAGE_REPO[build]/scripts/slave/gatekeeper_ng.py",
       "-v",
       "--json",
-      "[ROOT]/b/build/scripts/slave/gatekeeper.json"
+      "[BUILD]/scripts/slave/gatekeeper.json"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "gatekeeper: chromium",
     "~followup_annotations": [
       "step returned non-zero exit code: 1",
@@ -53,7 +55,7 @@
       "RECIPE_PACKAGE_REPO[build]/scripts/slave/gatekeeper_ng.py",
       "-v",
       "--json",
-      "[ROOT]/b/build/scripts/slave/gatekeeper.json",
+      "[BUILD]/scripts/slave/gatekeeper.json",
       "--status-url",
       "https://blink-status.appspot.com",
       "--sheriff-url",
@@ -75,6 +77,7 @@
       "gatekeeper@google.com",
       "https://build.chromium.org/p/chromium.webkit"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "gatekeeper: blink"
   },
   {