Recipes: make cwd default to slave_build

scripts/slave/recipes/chromium.expected/full_chromium_fyi_ClangToTMac__dbg_.json

Index: scripts/slave/recipes/chromium.expected/full_chromium_fyi_ClangToTMac__dbg_.json
diff --git a/scripts/slave/recipes/chromium.expected/full_chromium_fyi_ClangToTMac__dbg_.json b/scripts/slave/recipes/chromium.expected/full_chromium_fyi_ClangToTMac__dbg_.json
index 93ed08cfcb645b40d4009f8a9f512c121f203edd..783920e6054602a876f8528d423380ce063e940f 100644
--- a/scripts/slave/recipes/chromium.expected/full_chromium_fyi_ClangToTMac__dbg_.json
+++ b/scripts/slave/recipes/chromium.expected/full_chromium_fyi_ClangToTMac__dbg_.json
@@ -21,6 +21,7 @@
       "--revision",
       "src@HEAD"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
@@ -67,6 +68,7 @@
       "[SLAVE_BUILD]/src/tools/swarming_client/swarming.py",
       "--version"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "swarming.py --version",
     "stdout": "/path/to/tmp/",
     "~followup_annotations": [
@@ -80,6 +82,7 @@
       "[DEPOT_TOOLS]/gclient.py",
       "runhooks"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GYP_DEFINES": "clang=1 clang_use_chrome_plugins=0 component=shared_library target_arch=x64 test_isolation_mode=prepare werror=''",
       "LLVM_FORCE_HEAD_REVISION": "YES"
@@ -94,6 +97,7 @@
       "[SLAVE_BUILD]/src/testing/buildbot/chromium.fyi.json",
       "/path/to/tmp/json"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "read test spec",
     "~followup_annotations": [
       "@@@STEP_TEXT@path: [SLAVE_BUILD]/src/testing/buildbot/chromium.fyi.json@@@",
@@ -116,6 +120,7 @@
       "--properties",
       "{\"buildername\": \"ClangToTMac (dbg)\", \"buildnumber\": 571, \"mastername\": \"chromium.fyi\", \"slavename\": \"TestSlavename\", \"target_platform\": \"mac\"}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "get compile targets for scripts",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{}@@@",
@@ -128,6 +133,7 @@
       "-u",
       "[BUILD]/scripts/slave/cleanup_temp.py"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "cleanup_temp"
   },
   {
@@ -145,6 +151,7 @@
       "clang",
       "--"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "LLVM_FORCE_HEAD_REVISION": "YES"
     },
@@ -167,6 +174,7 @@
       "--build-properties",
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"buildername\": \"ClangToTMac (dbg)\", \"buildnumber\": 571, \"mastername\": \"chromium.fyi\", \"parent_buildername\": null, \"recipe\": \"chromium\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "package build"
   }
 ]