Recipes: make cwd default to slave_build

scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_win_win_chromium_x64_rel_ng.json

Index: scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_win_win_chromium_x64_rel_ng.json
diff --git a/scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_win_win_chromium_x64_rel_ng.json b/scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_win_win_chromium_x64_rel_ng.json
index 688334dadcc5ba87819107576cb36edc6af8b230..ba1f4fb2740e122bc8e926ce094d565ed42ec542 100644
--- a/scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_win_win_chromium_x64_rel_ng.json
+++ b/scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_win_win_chromium_x64_rel_ng.json
@@ -5,6 +5,7 @@
       "-u",
       "[BUILD]\\scripts\\slave\\kill_processes.py"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "taskkill"
   },
   {
@@ -35,6 +36,7 @@
       "--revision",
       "src@HEAD"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
@@ -81,6 +83,7 @@
       "[SLAVE_BUILD]\\src\\tools\\swarming_client\\swarming.py",
       "--version"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "swarming.py --version",
     "stdout": "/path/to/tmp/",
     "~followup_annotations": [
@@ -94,6 +97,7 @@
       "[DEPOT_TOOLS]\\gclient.py",
       "runhooks"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GYP_DEFINES": "chromium_win_pch=0 component=static_library dcheck_always_on=1 fastbuild=1 gomadir='[BUILD]\\goma' target_arch=x64 test_isolation_mode=prepare use_goma=1"
     },
@@ -107,6 +111,7 @@
       "[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@@@",
@@ -129,6 +134,7 @@
       "--properties",
       "{\"buildername\": \"win_chromium_x64_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@{}@@@",
@@ -158,6 +164,7 @@
       "[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'@@@",
@@ -180,6 +187,7 @@
       "-u",
       "import sys; sys.exit(0)"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "analyze",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@excluded_files@foo.cc (regex = 'f.*')@@@",
@@ -216,6 +224,7 @@
       "-u",
       "[BUILD]\\scripts\\slave\\cleanup_temp.py"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "cleanup_temp"
   },
   {
@@ -239,6 +248,7 @@
       "all",
       "mini_installer"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "compile (with patch)"
   },
   {
@@ -249,6 +259,7 @@
       "--target",
       "Release_x64"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "start_crash_service"
   },
   {
@@ -266,6 +277,7 @@
       "--write-full-results-to",
       "/path/to/tmp/json"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "test_installer (with patch)"
   },
   {
@@ -276,6 +288,7 @@
       "--target",
       "Release_x64"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "process_dumps"
   }
 ]