Recipes: make cwd default to slave_build

scripts/slave/recipes/chromium_trybot.expected/use_v8_patch_on_chromium_trybot.json

Index: scripts/slave/recipes/chromium_trybot.expected/use_v8_patch_on_chromium_trybot.json
diff --git a/scripts/slave/recipes/chromium_trybot.expected/use_v8_patch_on_chromium_trybot.json b/scripts/slave/recipes/chromium_trybot.expected/use_v8_patch_on_chromium_trybot.json
index 0b47be75905bd892b324c330b323036b91da8d46..e885da984fa33426e732715c42eca8ca00de21fb 100644
--- a/scripts/slave/recipes/chromium_trybot.expected/use_v8_patch_on_chromium_trybot.json
+++ b/scripts/slave/recipes/chromium_trybot.expected/use_v8_patch_on_chromium_trybot.json
@@ -5,6 +5,7 @@
       "-u",
       "[BUILD]\\scripts\\slave\\kill_processes.py"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "taskkill"
   },
   {
@@ -37,6 +38,7 @@
       "--revision",
       "src/v8@HEAD"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
@@ -83,6 +85,7 @@
       "[SLAVE_BUILD]\\src\\tools\\swarming_client\\swarming.py",
       "--version"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "swarming.py --version",
     "stdout": "/path/to/tmp/",
     "~followup_annotations": [
@@ -96,6 +99,7 @@
       "[DEPOT_TOOLS]\\gclient.py",
       "runhooks"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GYP_DEFINES": "archive_gpu_tests=1 chromium_win_pch=0 component=static_library dcheck_always_on=1 fastbuild=1 gomadir='[BUILD]\\goma' target_arch=ia32 test_isolation_mode=prepare use_goma=1"
     },
@@ -109,6 +113,7 @@
       "[SLAVE_BUILD]\\src\\testing\\buildbot\\chromium.win.json",
       "/path/to/tmp/json"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "read test spec",
     "~followup_annotations": [
       "@@@STEP_TEXT@path: [SLAVE_BUILD]\\src\\testing\\buildbot\\chromium.win.json@@@",
@@ -131,6 +136,7 @@
       "--properties",
       "{\"buildername\": \"win_chromium_rel_ng\", \"buildnumber\": 571, \"mastername\": \"tryserver.chromium.win\", \"slavename\": \"TestSlavename\", \"target_platform\": \"win\"}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "get compile targets for scripts",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{}@@@",
@@ -160,6 +166,7 @@
       "[SLAVE_BUILD]\\src\\testing\\buildbot\\trybot_analyze_config.json",
       "/path/to/tmp/json"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "read filter exclusion spec",
     "~followup_annotations": [
       "@@@STEP_TEXT@path: 'testing\\\\buildbot\\\\trybot_analyze_config.json'@@@",
@@ -186,6 +193,7 @@
       "{\"files\": [\"v8/foo.cc\"], \"targets\": [\"angle_unittests_run\", \"chrome\", \"content_gl_tests_run\", \"gl_tests_run\", \"mini_installer\", \"tab_capture_end2end_tests_run\", \"telemetry_gpu_test_run\"]}",
       "/path/to/tmp/json"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GYP_DEFINES": "archive_gpu_tests=1 chromium_win_pch=0 component=static_library dcheck_always_on=1 fastbuild=1 gomadir='[BUILD]\\goma' target_arch=ia32 test_isolation_mode=prepare use_goma=1"
     },