Recipes: make cwd default to slave_build

scripts/slave/recipes/android/builder.expected/chromium_fyi_Android_x64_Builder__dbg__fail_check_licenses.json

Index: scripts/slave/recipes/android/builder.expected/chromium_fyi_Android_x64_Builder__dbg__fail_check_licenses.json
diff --git a/scripts/slave/recipes/android/builder.expected/chromium_fyi_Android_x64_Builder__dbg__fail_check_licenses.json b/scripts/slave/recipes/android/builder.expected/chromium_fyi_Android_x64_Builder__dbg__fail_check_licenses.json
index d906d8ec8f56e4ec52529cecff0c568b147447b6..6c88d5ad43a06a954332402c97c56719635e8f0b 100644
--- a/scripts/slave/recipes/android/builder.expected/chromium_fyi_Android_x64_Builder__dbg__fail_check_licenses.json
+++ b/scripts/slave/recipes/android/builder.expected/chromium_fyi_Android_x64_Builder__dbg__fail_check_licenses.json
@@ -21,6 +21,7 @@
       "--revision",
       "src@HEAD"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
@@ -70,6 +71,7 @@
       "[SLAVE_BUILD]/src/out/build_product.zip",
       "[SLAVE_BUILD]/src"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "clean local files",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@@@@",
@@ -94,6 +96,7 @@
       "[DEPOT_TOOLS]/gclient.py",
       "runhooks"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GYP_DEFINES": "OS=android component=static_library fastbuild=1 gomadir='[BUILD]/goma' target_arch=x64 use_goma=1",
       "PATH": "[SLAVE_BUILD]/src/third_party/android_tools/sdk/platform-tools:[SLAVE_BUILD]/src/build/android:%(PATH)s"
@@ -131,6 +134,7 @@
       "[BUILD]/goma",
       "--"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "PATH": "[SLAVE_BUILD]/src/third_party/android_tools/sdk/platform-tools:[SLAVE_BUILD]/src/build/android:%(PATH)s"
     },