Recipes: make cwd default to slave_build

scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_mac32_debug.json

Index: scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_mac32_debug.json
diff --git a/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_mac32_debug.json b/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_mac32_debug.json
index 7c9ca778cab5e7563c775ef0ddaa4cd6001a97b6..33e40e85bad792de1e83c116e8984cc69a452bd2 100644
--- a/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_mac32_debug.json
+++ b/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_mac32_debug.json
@@ -21,6 +21,7 @@
       "--revision",
       "src@12345"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
@@ -47,6 +48,7 @@
       "RECIPE_MODULE[webrtc]/resources/cleanup_files.py",
       "[SLAVE_BUILD]/src/out"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "clean test output files"
   },
   {
@@ -55,6 +57,7 @@
       "-u",
       "[BUILD]/scripts/slave/cleanup_temp.py"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "cleanup_temp"
   },
   {
@@ -64,6 +67,7 @@
       "[DEPOT_TOOLS]/gclient.py",
       "runhooks"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GYP_DEFINES": "clang=1 component=shared_library dcheck_always_on=1 gomadir='[BUILD]/goma' mac_sdk=10.9 target_arch=ia32 use_goma=1"
     },
@@ -87,6 +91,7 @@
       "--",
       "All"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "compile"
   },
   {
@@ -111,6 +116,7 @@
       "--build-number=1337",
       "audio_decoder_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "audio_decoder_unittests"
   },
   {
@@ -135,6 +141,7 @@
       "--build-number=1337",
       "common_audio_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "common_audio_unittests"
   },
   {
@@ -159,6 +166,7 @@
       "--build-number=1337",
       "common_video_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "common_video_unittests"
   },
   {
@@ -183,6 +191,7 @@
       "--build-number=1337",
       "libjingle_media_unittest"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "libjingle_media_unittest"
   },
   {
@@ -207,6 +216,7 @@
       "--build-number=1337",
       "libjingle_p2p_unittest"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "libjingle_p2p_unittest"
   },
   {
@@ -231,6 +241,7 @@
       "--build-number=1337",
       "libjingle_peerconnection_unittest"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "libjingle_peerconnection_unittest"
   },
   {
@@ -255,6 +266,7 @@
       "--build-number=1337",
       "modules_tests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "modules_tests"
   },
   {
@@ -279,6 +291,7 @@
       "--build-number=1337",
       "modules_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "modules_unittests"
   },
   {
@@ -303,6 +316,7 @@
       "--build-number=1337",
       "rtc_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "rtc_unittests"
   },
   {
@@ -327,6 +341,7 @@
       "--build-number=1337",
       "system_wrappers_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "system_wrappers_unittests"
   },
   {
@@ -351,6 +366,7 @@
       "--build-number=1337",
       "test_support_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "test_support_unittests"
   },
   {
@@ -375,6 +391,7 @@
       "--build-number=1337",
       "tools_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "tools_unittests"
   },
   {
@@ -399,6 +416,7 @@
       "--build-number=1337",
       "video_engine_core_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "video_engine_core_unittests"
   },
   {
@@ -423,6 +441,7 @@
       "--build-number=1337",
       "video_engine_tests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "video_engine_tests"
   },
   {
@@ -447,6 +466,7 @@
       "--build-number=1337",
       "voice_engine_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "voice_engine_unittests"
   }
 ]