Recipes: make cwd default to slave_build

scripts/slave/recipes/chromium_trybot_legacy.expected/no_compile_because_of_analyze.json

Index: scripts/slave/recipes/chromium_trybot_legacy.expected/no_compile_because_of_analyze.json
diff --git a/scripts/slave/recipes/chromium_trybot_legacy.expected/no_compile_because_of_analyze.json b/scripts/slave/recipes/chromium_trybot_legacy.expected/no_compile_because_of_analyze.json
index d7e462089a5a67b4bb330c94d5d068cc9526f5a4..04eefbc1f3e98cfc8740ae1c9d70465e78dd5a2f 100644
--- a/scripts/slave/recipes/chromium_trybot_legacy.expected/no_compile_because_of_analyze.json
+++ b/scripts/slave/recipes/chromium_trybot_legacy.expected/no_compile_because_of_analyze.json
@@ -28,6 +28,7 @@
       "src@HEAD",
       "--force"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
@@ -75,6 +76,7 @@
       "[SLAVE_BUILD]/src/testing/buildbot/chromium_memory_trybot.json",
       "/path/to/tmp/json"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "read test spec",
     "~followup_annotations": [
       "@@@STEP_TEXT@path: testing/buildbot/chromium_memory_trybot.json@@@",
@@ -97,6 +99,7 @@
       "--properties",
       "{\"buildername\": \"linux_chromium_asan_rel\", \"buildnumber\": 571, \"mastername\": \"tryserver.chromium.linux\", \"slavename\": \"TestSlavename\", \"target_platform\": \"linux\"}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "get compile targets for scripts",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{}@@@",
@@ -126,6 +129,7 @@
       "[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'@@@",
@@ -152,6 +156,7 @@
       "{\"files\": [\"foo.cc\"], \"targets\": []}",
       "/path/to/tmp/json"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GYP_DEFINES": "asan=1 clang=1 component=static_library dcheck_always_on=1 fastbuild=1 gomadir='[BUILD]/goma' lsan=1 target_arch=x64 use_goma=1"
     },