build: roll infra_paths changes

scripts/slave/recipes/v8/auto_roll_release_process.expected/update.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
       "--master",
       "client.v8.fyi",
       "--builder",
       "Auto-roll - release process",
       "--slave",
       "TestSlavename",
       "--spec",
-      "cache_dir = '[GIT_CACHE]'\nsolutions = [{'custom_vars': {'chromium_trunk': 'svn://svn-mirror.golo.chromium.org/chrome/trunk'}, 'deps_file': 'DEPS', 'managed': True, 'name': 'v8', 'url': 'https://chromium.googlesource.com/v8/v8'}]",
+      "cache_dir = '[ROOT]/b/build/slave/cache_dir'\nsolutions = [{'custom_vars': {'chromium_trunk': 'svn://svn-mirror.golo.chromium.org/chrome/trunk'}, 'deps_file': 'DEPS', 'managed': True, 'name': 'v8', 'url': 'https://chromium.googlesource.com/v8/v8'}]",
       "--root",
       "v8",
       "--revision_mapping_file",
       "{\"v8\": \"got_revision\"}",
       "--git-cache-dir",
-      "[GIT_CACHE]",
+      "[ROOT]/b/build/slave/cache_dir",
       "--output_json",
       "/path/to/tmp/json",
       "--revision",
       "v8@HEAD",
       "--force",
       "--no_shallow",
       "--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@    \"v8\": \"HEAD\"@@@",
@@ skipping 15 matching lines @@
       "@@@STEP_LOG_LINE@json.output@}@@@",
       "@@@STEP_LOG_END@json.output@@@",
       "@@@SET_BUILD_PROPERTY@got_revision@\"f2cbea7e89a45f46819777bb78a1f5bd0241f64c\"@@@",
       "@@@SET_BUILD_PROPERTY@got_revision_cp@\"refs/heads/master@{#50110}\"@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
-      "[BUILD]/scripts/tools/runit.py",
-      "[BUILD]/scripts/tools/pycurl.py",
+      "[ROOT]/b/build/scripts/tools/runit.py",
+      "[ROOT]/b/build/scripts/tools/pycurl.py",
       "https://v8-status.appspot.com/lkgr"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "get new lkgr",
     "stdout": "/path/to/tmp/",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@logs@New candidate: c1a7fd0c98a80c52fcf6763850d2ee1c41cfe8d6 (396002)@@@",
       "@@@STEP_LOG_END@logs@@@"
     ]
   },
   {
     "cmd": [
       "git",
       "fetch",
       "https://chromium.googlesource.com/v8/v8",
       "+refs/heads/lkgr:refs/heads/lkgr"
     ],
-    "cwd": "[SLAVE_BUILD]/v8",
+    "cwd": "[CWD]/v8",
     "name": "git fetch"
   },
   {
     "cmd": [
       "git",
       "show-ref",
       "-s",
       "refs/heads/lkgr"
     ],
-    "cwd": "[SLAVE_BUILD]/v8",
+    "cwd": "[CWD]/v8",
     "name": "git show-ref refs/heads/lkgr",
     "stdout": "/path/to/tmp/",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@ref@74882b7a8e55268d1658f83efefa1c2585cee723@@@",
       "@@@STEP_LOG_END@ref@@@"
     ]
   },
   {
     "cmd": [
       "git",
       "update-ref",
       "refs/heads/lkgr",
       "c1a7fd0c98a80c52fcf6763850d2ee1c41cfe8d6"
     ],
-    "cwd": "[SLAVE_BUILD]/v8",
+    "cwd": "[CWD]/v8",
     "name": "git update-ref"
   },
   {
     "cmd": [
       "git",
       "push",
       "https://chromium.googlesource.com/v8/v8",
       "refs/heads/lkgr:refs/heads/lkgr"
     ],
-    "cwd": "[SLAVE_BUILD]/v8",
+    "cwd": "[CWD]/v8",
     "name": "git push"
   },
   {
     "cmd": [
       "python",
       "-u",
       "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
-      "[SLAVE_BUILD]/refs_heads_lkgr.log",
+      "[CWD]/refs_heads_lkgr.log",
       "/path/to/tmp/"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "Read refs_heads_lkgr.log"
   },
   {
     "cmd": [
       "python",
       "-u",
       "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
       "\nc1a7fd0c98a80c52fcf6763850d2ee1c41cfe8d6 396004",
-      "[SLAVE_BUILD]/refs_heads_lkgr.log"
+      "[CWD]/refs_heads_lkgr.log"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "Write refs_heads_lkgr.log"
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::gsutil]/resources/gsutil_wrapper.py",
       "--",
-      "[DEPOT_TOOLS]/gsutil.py",
+      "[ROOT]/b/depot_tools/gsutil.py",
       "----",
       "cp",
-      "[SLAVE_BUILD]/refs_heads_lkgr.log",
+      "[CWD]/refs_heads_lkgr.log",
       "gs://chromium-v8-auto-roll/v8_release_process/refs_heads_lkgr.log"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "gsutil upload",
     "~followup_annotations": [
       "@@@STEP_LINK@gsutil.upload@https://storage.cloud.google.com/chromium-v8-auto-roll/v8_release_process/refs_heads_lkgr.log@@@"
     ]
   },
   {
     "cmd": [
       "git",
       "fetch",
       "https://chromium.googlesource.com/v8/v8",
       "+refs/heads/candidate:refs/heads/candidate"
     ],
-    "cwd": "[SLAVE_BUILD]/v8",
+    "cwd": "[CWD]/v8",
     "name": "git fetch (2)"
   },
   {
     "cmd": [
       "git",
       "show-ref",
       "-s",
       "refs/heads/candidate"
     ],
-    "cwd": "[SLAVE_BUILD]/v8",
+    "cwd": "[CWD]/v8",
     "name": "git show-ref refs/heads/candidate",
     "stdout": "/path/to/tmp/",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@ref@74882b7a8e55268d1658f83efefa1c2585cee723@@@",
       "@@@STEP_LOG_END@ref@@@"
     ]
   },
   {
     "cmd": [
       "git",
       "fetch",
       "https://chromium.googlesource.com/v8/v8",
       "+refs/heads/roll:refs/heads/roll"
     ],
-    "cwd": "[SLAVE_BUILD]/v8",
+    "cwd": "[CWD]/v8",
     "name": "git fetch (3)"
   },
   {
     "cmd": [
       "git",
       "show-ref",
       "-s",
       "refs/heads/roll"
     ],
-    "cwd": "[SLAVE_BUILD]/v8",
+    "cwd": "[CWD]/v8",
     "name": "git show-ref refs/heads/roll",
     "stdout": "/path/to/tmp/",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@ref@74882b7a8e55268d1658f83efefa1c2585cee723@@@",
       "@@@STEP_LOG_END@ref@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
-      "[SLAVE_BUILD]/timestamp.txt",
+      "[CWD]/timestamp.txt",
       "/path/to/tmp/"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "check timestamp"
   },
   {
     "cmd": [
       "python",
       "-u",
-      "[SLAVE_BUILD]/v8/tools/release/check_clusterfuzz.py",
+      "[CWD]/v8/tools/release/check_clusterfuzz.py",
       "--key-file",
-      "[SLAVE_BUILD]/.cf_key",
+      "[CWD]/.cf_key",
       "--results-file",
       "/path/to/tmp/json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "check clusterfuzz",
     "stderr": "/path/to/tmp/err",
     "stdout": "/path/to/tmp/out"
   },
   {
     "cmd": [
       "echo",
       "Current candidate is 10h old (limit: 8h)."
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "log"
   },
   {
     "cmd": [
       "git",
       "update-ref",
       "refs/heads/candidate",
       "c1a7fd0c98a80c52fcf6763850d2ee1c41cfe8d6"
     ],
-    "cwd": "[SLAVE_BUILD]/v8",
+    "cwd": "[CWD]/v8",
     "name": "git update-ref (2)"
   },
   {
     "cmd": [
       "git",
       "push",
       "https://chromium.googlesource.com/v8/v8",
       "refs/heads/candidate:refs/heads/candidate"
     ],
-    "cwd": "[SLAVE_BUILD]/v8",
+    "cwd": "[CWD]/v8",
     "name": "git push (2)"
   },
   {
     "cmd": [
       "python",
       "-u",
       "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
       "c1a7fd0c98a80c52fcf6763850d2ee1c41cfe8d6 396008",
-      "[SLAVE_BUILD]/refs_heads_candidate.log"
+      "[CWD]/refs_heads_candidate.log"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "Write refs_heads_candidate.log"
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::gsutil]/resources/gsutil_wrapper.py",
       "--",
-      "[DEPOT_TOOLS]/gsutil.py",
+      "[ROOT]/b/depot_tools/gsutil.py",
       "----",
       "cp",
-      "[SLAVE_BUILD]/refs_heads_candidate.log",
+      "[CWD]/refs_heads_candidate.log",
       "gs://chromium-v8-auto-roll/v8_release_process/refs_heads_candidate.log"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "gsutil upload (2)",
     "~followup_annotations": [
       "@@@STEP_LINK@gsutil.upload@https://storage.cloud.google.com/chromium-v8-auto-roll/v8_release_process/refs_heads_candidate.log@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
       "396010",
-      "[SLAVE_BUILD]/timestamp.txt"
+      "[CWD]/timestamp.txt"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "update timestamp"
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]