Revert "build: roll infra_paths changes"

scripts/slave/recipes/boringssl_docs.expected/boringssl-docs.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
       "--master",
       "client.boringssl",
       "--builder",
       "docs",
       "--slave",
       "slavename",
       "--spec",
-      "cache_dir = '[ROOT]/b/build/slave/cache_dir'\nsolutions = [{'deps_file': 'util/bot/DEPS', 'managed': True, 'name': 'boringssl', 'url': 'https://boringssl.googlesource.com/boringssl.git'}]",
+      "cache_dir = '[GIT_CACHE]'\nsolutions = [{'deps_file': 'util/bot/DEPS', 'managed': True, 'name': 'boringssl', 'url': 'https://boringssl.googlesource.com/boringssl.git'}]",
       "--root",
       "boringssl",
       "--revision_mapping_file",
       "{}",
       "--git-cache-dir",
-      "[ROOT]/b/build/slave/cache_dir",
+      "[GIT_CACHE]",
       "--output_json",
       "/path/to/tmp/json",
       "--revision",
       "boringssl@HEAD",
       "--force",
       "--output_manifest"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"did_run\": true, @@@",
       "@@@STEP_LOG_LINE@json.output@  \"fixed_revisions\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"boringssl\": \"HEAD\"@@@",
       "@@@STEP_LOG_LINE@json.output@  }, @@@",
       "@@@STEP_LOG_LINE@json.output@  \"manifest\": {}, @@@",
       "@@@STEP_LOG_LINE@json.output@  \"patch_failure\": false, @@@",
       "@@@STEP_LOG_LINE@json.output@  \"patch_root\": \"boringssl\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"properties\": {}, @@@",
       "@@@STEP_LOG_LINE@json.output@  \"root\": \"boringssl\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"step_text\": \"Some step text\"@@@",
       "@@@STEP_LOG_LINE@json.output@}@@@",
       "@@@STEP_LOG_END@json.output@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_PACKAGE_REPO[depot_tools]/gclient.py",
       "runhooks"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
     "name": "gclient runhooks"
   },
   {
     "cmd": [
       "python",
       "-u",
-      "[CWD]/boringssl/util/bot/go/env.py",
+      "[SLAVE_BUILD]/boringssl/util/bot/go/env.py",
       "go",
       "run",
       "doc.go",
       "-out",
-      "[TMP]/boringssl-docs_tmp_1"
+      "[TMP_BASE]/boringssl-docs_tmp_1"
     ],
-    "cwd": "[CWD]/boringssl/util",
+    "cwd": "[SLAVE_BUILD]/boringssl/util",
     "name": "generate"
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::gsutil]/resources/gsutil_wrapper.py",
       "--",
-      "[ROOT]/b/depot_tools/gsutil.py",
+      "[DEPOT_TOOLS]/gsutil.py",
       "----",
       "-m",
       "cp",
       "-a",
       "public-read",
-      "[TMP]/boringssl-docs_tmp_1/**",
+      "[TMP_BASE]/boringssl-docs_tmp_1/**",
       "gs://chromium-boringssl-docs/"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "gsutil cp"
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]