build: roll infra_paths changes

scripts/slave/recipe_modules/isolate/example.expected/discover.json

Index: scripts/slave/recipe_modules/isolate/example.expected/discover.json
diff --git a/scripts/slave/recipe_modules/isolate/example.expected/discover.json b/scripts/slave/recipe_modules/isolate/example.expected/discover.json
index 4cc9e907cdfcf39542c675350ee4180580b3285a..b1b1e5f793514c07115601eb73fe587de3f79c7c 100644
--- a/scripts/slave/recipe_modules/isolate/example.expected/discover.json
+++ b/scripts/slave/recipe_modules/isolate/example.expected/discover.json
@@ -5,11 +5,10 @@
       "-u",
       "RECIPE_MODULE[depot_tools::git]/resources/git_setup.py",
       "--path",
-      "[SLAVE_BUILD]/swarming.client",
+      "[CWD]/swarming.client",
       "--url",
       "https://chromium.googlesource.com/external/swarming.client.git"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "git setup (swarming_client)"
   },
   {
@@ -20,7 +19,7 @@
       "origin",
       "master"
     ],
-    "cwd": "[SLAVE_BUILD]/swarming.client",
+    "cwd": "[CWD]/swarming.client",
     "name": "git fetch (swarming_client)"
   },
   {
@@ -30,7 +29,7 @@
       "-f",
       "FETCH_HEAD"
     ],
-    "cwd": "[SLAVE_BUILD]/swarming.client",
+    "cwd": "[CWD]/swarming.client",
     "name": "git checkout (swarming_client)"
   },
   {
@@ -39,7 +38,7 @@
       "rev-parse",
       "HEAD"
     ],
-    "cwd": "[SLAVE_BUILD]/swarming.client",
+    "cwd": "[CWD]/swarming.client",
     "name": "read revision",
     "stdout": "/path/to/tmp/",
     "~followup_annotations": [
@@ -54,7 +53,7 @@
       "-d",
       "-x"
     ],
-    "cwd": "[SLAVE_BUILD]/swarming.client",
+    "cwd": "[CWD]/swarming.client",
     "name": "git clean (swarming_client)"
   },
   {
@@ -63,7 +62,7 @@
       "submodule",
       "sync"
     ],
-    "cwd": "[SLAVE_BUILD]/swarming.client",
+    "cwd": "[CWD]/swarming.client",
     "name": "submodule sync (swarming_client)"
   },
   {
@@ -74,14 +73,13 @@
       "--init",
       "--recursive"
     ],
-    "cwd": "[SLAVE_BUILD]/swarming.client",
+    "cwd": "[CWD]/swarming.client",
     "name": "submodule update (swarming_client)"
   },
   {
     "cmd": [
       "cat"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "read test spec",
     "stdout": "/path/to/tmp/json",
     "~followup_annotations": [
@@ -95,11 +93,10 @@
       "-u",
       "RECIPE_MODULE[build::isolate]/resources/find_isolated_tests.py",
       "--build-dir",
-      "[BUILD]",
+      "[ROOT]/b/build",
       "--output-json",
       "/path/to/tmp/json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "find isolated tests",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",