Revert "build: roll infra_paths changes"

scripts/slave/recipes/skia/swarm_compile.expected/Build-Ubuntu-GCC-x86_64-Release-Valgrind.json

 [
   {
     "cmd": [
       "python",
       "-u",
-      "[CWD]/skia/tools/buildbot_spec.py",
+      "[SLAVE_BUILD]/skia/tools/buildbot_spec.py",
       "/path/to/tmp/json",
       "Build-Ubuntu-GCC-x86_64-Release-Valgrind"
     ],
-    "cwd": "[CWD]/skia",
+    "cwd": "[SLAVE_BUILD]/skia",
     "name": "exec buildbot_spec.py",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"build_targets\": [@@@",
       "@@@STEP_LOG_LINE@json.output@    \"most\"@@@",
       "@@@STEP_LOG_LINE@json.output@  ], @@@",
       "@@@STEP_LOG_LINE@json.output@  \"builder_cfg\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"compiler\": \"GCC\", @@@",
       "@@@STEP_LOG_LINE@json.output@    \"configuration\": \"Release\", @@@",
       "@@@STEP_LOG_LINE@json.output@    \"extra_config\": \"Valgrind\", @@@",
@@ skipping 18 matching lines @@
       "@@@STEP_LOG_LINE@json.output@  \"upload_perf_results\": false@@@",
       "@@@STEP_LOG_LINE@json.output@}@@@",
       "@@@STEP_LOG_END@json.output@@@"
     ]
   },
   {
     "cmd": [
       "make",
       "most"
     ],
-    "cwd": "[CWD]/skia",
+    "cwd": "[SLAVE_BUILD]/skia",
     "env": {
       "BUILDTYPE": "Release",
       "CHROME_HEADLESS": "1",
-      "CHROME_PATH": "[CWD]/src",
+      "CHROME_PATH": "[SLAVE_BUILD]/src",
       "GYP_DEFINES": "skia_arch_type=x86_64 skia_release_optimization_level=1 skia_warnings_as_errors=1",
-      "PATH": "[CWD]/depot_tools:%(PATH)s",
-      "SKIA_OUT": "[CWD]/out"
+      "PATH": "[SLAVE_BUILD]/depot_tools:%(PATH)s",
+      "SKIA_OUT": "[SLAVE_BUILD]/out"
     },
     "name": "build most"
   },
   {
     "cmd": [
       "python",
       "-u",
       "import errno\nimport glob\nimport os\nimport shutil\nimport sys\n\nsrc = sys.argv[1]\ndst = sys.argv[2]\nbuild_products_whitelist = ['dm', 'dm.exe', 'nanobench', 'nanobench.exe', '*.so', '*.dll', '*.dylib', 'skia_launcher', 'lib/*.so', 'iOSShell.app', 'iOSShell.ipa']\n\ntry:\n  os.makedirs(dst)\nexcept OSError as e:\n  if e.errno != errno.EEXIST:\n    raise\n\nfor pattern in build_products_whitelist:\n  path = os.path.join(src, pattern)\n  for f in glob.glob(path):\n    print 'Copying build product %s to %s' % (f, dst)\n    shutil.move(f, dst)\n",
-      "[CWD]/out/Release",
+      "[SLAVE_BUILD]/out/Release",
       "[SWARM_OUT_DIR]/out/Release"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "copy build products",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@import errno@@@",
       "@@@STEP_LOG_LINE@python.inline@import glob@@@",
       "@@@STEP_LOG_LINE@python.inline@import os@@@",
       "@@@STEP_LOG_LINE@python.inline@import shutil@@@",
       "@@@STEP_LOG_LINE@python.inline@import sys@@@",
       "@@@STEP_LOG_LINE@python.inline@@@@",
       "@@@STEP_LOG_LINE@python.inline@src = sys.argv[1]@@@",
       "@@@STEP_LOG_LINE@python.inline@dst = sys.argv[2]@@@",
@@ skipping 12 matching lines @@
       "@@@STEP_LOG_LINE@python.inline@    shutil.move(f, dst)@@@",
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]