Recipes: make cwd default to slave_build

scripts/slave/recipes/crashpad/continuous.expected/crashpad_mac_dbg_clobber.json

Index: scripts/slave/recipes/crashpad/continuous.expected/crashpad_mac_dbg_clobber.json
diff --git a/scripts/slave/recipes/crashpad/continuous.expected/crashpad_mac_dbg_clobber.json b/scripts/slave/recipes/crashpad/continuous.expected/crashpad_mac_dbg_clobber.json
index b1ffecf0247098db4dae20707ff67d73ea445863..1b09287d4f6ef4c426b3f53b26c9c1a7b54d696f 100644
--- a/scripts/slave/recipes/crashpad/continuous.expected/crashpad_mac_dbg_clobber.json
+++ b/scripts/slave/recipes/crashpad/continuous.expected/crashpad_mac_dbg_clobber.json
@@ -8,6 +8,7 @@
       "--spec",
       "cache_dir = None\nsolutions = [{'deps_file': 'DEPS', 'managed': True, 'name': 'crashpad', 'url': 'https://chromium.googlesource.com/crashpad/crashpad.git'}]"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "gclient setup"
   },
   {
@@ -23,6 +24,7 @@
       "--output-json",
       "/path/to/tmp/json"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "gclient sync",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -42,6 +44,7 @@
       "\nimport os, sys\nfrom common import chromium_utils\n\nif os.path.exists(sys.argv[1]):\n  chromium_utils.RemoveDirectory(sys.argv[1])\n",
       "[SLAVE_BUILD]/crashpad/out"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "rmtree out",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@@@@",
@@ -60,6 +63,7 @@
       "[DEPOT_TOOLS]/gclient.py",
       "runhooks"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "gclient runhooks"
   },
   {
@@ -68,6 +72,7 @@
       "-C",
       "[SLAVE_BUILD]/crashpad/out/Debug"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "compile with ninja"
   },
   {
@@ -77,6 +82,7 @@
       "[SLAVE_BUILD]/crashpad/build/run_tests.py",
       "Debug"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "run tests"
   }
 ]