Recipes: make cwd default to slave_build

scripts/slave/recipes/android/builder.expected/full_tryserver_chromium_perf_android_perf_bisect_builder.json

Index: scripts/slave/recipes/android/builder.expected/full_tryserver_chromium_perf_android_perf_bisect_builder.json
diff --git a/scripts/slave/recipes/android/builder.expected/full_tryserver_chromium_perf_android_perf_bisect_builder.json b/scripts/slave/recipes/android/builder.expected/full_tryserver_chromium_perf_android_perf_bisect_builder.json
index 0f11e0b5eb3532c2df633938679b7e4c72997c4a..976c27cb9a4e330f7b0ef25e4b54453c471d0b48 100644
--- a/scripts/slave/recipes/android/builder.expected/full_tryserver_chromium_perf_android_perf_bisect_builder.json
+++ b/scripts/slave/recipes/android/builder.expected/full_tryserver_chromium_perf_android_perf_bisect_builder.json
@@ -25,6 +25,7 @@
       "--revision",
       "src@267739"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
@@ -74,6 +75,7 @@
       "[SLAVE_BUILD]/src/out/build_product.zip",
       "[SLAVE_BUILD]/src"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "clean local files",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@@@@",
@@ -98,6 +100,7 @@
       "[DEPOT_TOOLS]/gclient.py",
       "runhooks"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GYP_CROSSCOMPILE": "1",
       "GYP_DEFINES": "OS=android branding=Chrome buildtype=Official component=static_library fastbuild=1 gomadir='[BUILD]/goma' target_arch=arm use_goma=1",
@@ -122,6 +125,7 @@
       "[BUILD]/goma",
       "--"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "PATH": "[SLAVE_BUILD]/src/third_party/android_tools/sdk/platform-tools:[SLAVE_BUILD]/src/build/android:%(PATH)s"
     },
@@ -144,6 +148,7 @@
       "--build-properties",
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"buildername\": \"android_perf_bisect_builder\", \"buildnumber\": 257, \"got_revision\": \"267739\", \"issue\": \"8675309\", \"mastername\": \"tryserver.chromium.perf\", \"patchset\": \"1\", \"recipe\": \"android/builder\", \"repository\": \"svn://svn.chromium.org/chrome/trunk/src\", \"revision\": \"267739\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "zip_build"
   }
 ]