Recipes: make cwd default to slave_build

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

Index: scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_linux_memcheck.json
diff --git a/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_linux_memcheck.json b/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_linux_memcheck.json
index b854e5c06bd396dc713cc6a7d662ff8ee486bddd..0af9f2fd2506d0a542b682152653d928ec10287f 100644
--- a/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_linux_memcheck.json
+++ b/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_linux_memcheck.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": "build_for_tool=memcheck component=static_library dcheck_always_on=1 gomadir='[BUILD]/goma' target_arch=x64 use_goma=1"
     },
@@ -87,6 +91,7 @@
       "--",
       "All"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "compile"
   },
   {
@@ -116,6 +121,7 @@
       "--tool",
       "memcheck"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "audio_decoder_unittests"
   },
   {
@@ -145,6 +151,7 @@
       "--tool",
       "memcheck"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "common_audio_unittests"
   },
   {
@@ -174,6 +181,7 @@
       "--tool",
       "memcheck"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "common_video_unittests"
   },
   {
@@ -203,6 +211,7 @@
       "--tool",
       "memcheck"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "libjingle_media_unittest"
   },
   {
@@ -232,6 +241,7 @@
       "--tool",
       "memcheck"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "libjingle_p2p_unittest"
   },
   {
@@ -261,6 +271,7 @@
       "--tool",
       "memcheck"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "libjingle_peerconnection_unittest"
   },
   {
@@ -290,6 +301,7 @@
       "--tool",
       "memcheck"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "modules_tests"
   },
   {
@@ -319,6 +331,7 @@
       "--tool",
       "memcheck"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "modules_unittests"
   },
   {
@@ -348,6 +361,7 @@
       "--tool",
       "memcheck"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "rtc_unittests"
   },
   {
@@ -377,6 +391,7 @@
       "--tool",
       "memcheck"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "system_wrappers_unittests"
   },
   {
@@ -406,6 +421,7 @@
       "--tool",
       "memcheck"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "test_support_unittests"
   },
   {
@@ -435,6 +451,7 @@
       "--tool",
       "memcheck"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "tools_unittests"
   },
   {
@@ -464,6 +481,7 @@
       "--tool",
       "memcheck"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "video_engine_core_unittests"
   },
   {
@@ -493,6 +511,7 @@
       "--tool",
       "memcheck"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "video_engine_tests"
   },
   {
@@ -522,6 +541,7 @@
       "--tool",
       "memcheck"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "voice_engine_unittests"
   }
 ]