Revert "build: roll infra_paths changes"

scripts/slave/recipes/pdfium.expected/drm_win_xfa.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::bot_update]\\resources\\bot_update.py",
       "--master",
       "client.pdfium",
       "--builder",
       "drm_win_xfa",
       "--slave",
       "test_slave",
       "--spec",
-      "cache_dir = '[ROOT]\\\\b\\\\build\\\\slave\\\\cache_dir'\nsolutions = [{'deps_file': 'DEPS', 'managed': True, 'name': 'pdfium', 'url': 'https://pdfium.googlesource.com/pdfium.git'}]",
+      "cache_dir = '[GIT_CACHE]'\nsolutions = [{'deps_file': 'DEPS', 'managed': True, 'name': 'pdfium', 'url': 'https://pdfium.googlesource.com/pdfium.git'}]",
       "--root",
       "pdfium",
       "--revision_mapping_file",
       "{}",
       "--git-cache-dir",
-      "[ROOT]\\b\\build\\slave\\cache_dir",
+      "[GIT_CACHE]",
       "--output_json",
       "/path/to/tmp/json",
       "--revision",
       "pdfium@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@    \"pdfium\": \"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\": \"pdfium\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"properties\": {}, @@@",
       "@@@STEP_LOG_LINE@json.output@  \"root\": \"pdfium\", @@@",
       "@@@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": {
       "GYP_DEFINES": "pdf_enable_v8=1 pdf_enable_xfa=1",
       "PATH": "%(PATH)s;RECIPE_PACKAGE_REPO[depot_tools]"
     },
     "name": "gclient runhooks"
   },
   {
     "cmd": [
       "ninja",
       "-C",
-      "[CWD]\\pdfium\\out\\Debug"
+      "[SLAVE_BUILD]\\pdfium\\out\\Debug"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "compile with ninja"
   },
   {
     "cmd": [
       "python",
       "-u",
-      "[CWD]\\pdfium\\tools\\drmemory\\scripts\\pdfium_tests.py",
+      "[SLAVE_BUILD]\\pdfium\\tools\\drmemory\\scripts\\pdfium_tests.py",
       "--test",
       "pdfium_unittests"
     ],
-    "cwd": "[CWD]\\pdfium",
+    "cwd": "[SLAVE_BUILD]\\pdfium",
     "name": "unittests"
   },
   {
     "cmd": [
       "python",
       "-u",
-      "[CWD]\\pdfium\\tools\\drmemory\\scripts\\pdfium_tests.py",
+      "[SLAVE_BUILD]\\pdfium\\tools\\drmemory\\scripts\\pdfium_tests.py",
       "--test",
       "pdfium_embeddertests"
     ],
-    "cwd": "[CWD]\\pdfium",
+    "cwd": "[SLAVE_BUILD]\\pdfium",
     "name": "embeddertests"
   },
   {
     "cmd": [
       "python",
       "-u",
-      "[CWD]\\pdfium\\tools\\drmemory\\scripts\\pdfium_tests.py",
+      "[SLAVE_BUILD]\\pdfium\\tools\\drmemory\\scripts\\pdfium_tests.py",
       "--test",
       "pdfium_javascript"
     ],
-    "cwd": "[CWD]\\pdfium",
+    "cwd": "[SLAVE_BUILD]\\pdfium",
     "name": "javascript tests"
   },
   {
     "cmd": [
       "python",
       "-u",
-      "[CWD]\\pdfium\\tools\\drmemory\\scripts\\pdfium_tests.py",
+      "[SLAVE_BUILD]\\pdfium\\tools\\drmemory\\scripts\\pdfium_tests.py",
       "--test",
       "pdfium_pixel"
     ],
-    "cwd": "[CWD]\\pdfium",
+    "cwd": "[SLAVE_BUILD]\\pdfium",
     "name": "pixel tests"
   },
   {
     "cmd": [
       "python",
       "-u",
-      "[CWD]\\pdfium\\tools\\drmemory\\scripts\\pdfium_tests.py",
+      "[SLAVE_BUILD]\\pdfium\\tools\\drmemory\\scripts\\pdfium_tests.py",
       "--test",
       "pdfium_corpus"
     ],
-    "cwd": "[CWD]\\pdfium",
+    "cwd": "[SLAVE_BUILD]\\pdfium",
     "name": "corpus tests"
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]