Recipes: make cwd default to slave_build

scripts/slave/recipes/chromium.expected/full_chromium_fyi_ChromiumPracticeFullTester.json

Index: scripts/slave/recipes/chromium.expected/full_chromium_fyi_ChromiumPracticeFullTester.json
diff --git a/scripts/slave/recipes/chromium.expected/full_chromium_fyi_ChromiumPracticeFullTester.json b/scripts/slave/recipes/chromium.expected/full_chromium_fyi_ChromiumPracticeFullTester.json
index 0257b02420578ca4d0637db63336c098ad5436a8..291194db4904bd09476efa099e6f31fda2c242a4 100644
--- a/scripts/slave/recipes/chromium.expected/full_chromium_fyi_ChromiumPracticeFullTester.json
+++ b/scripts/slave/recipes/chromium.expected/full_chromium_fyi_ChromiumPracticeFullTester.json
@@ -21,6 +21,7 @@
       "--revision",
       "src@HEAD"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
@@ -67,6 +68,7 @@
       "[DEPOT_TOOLS]/gclient.py",
       "runhooks"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GYP_DEFINES": "component=static_library gomadir='[BUILD]/goma' target_arch=x64 use_goma=1"
     },
@@ -80,6 +82,7 @@
       "[SLAVE_BUILD]/src/testing/buildbot/chromium.fyi.json",
       "/path/to/tmp/json"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "read test spec",
     "~followup_annotations": [
       "@@@STEP_TEXT@path: [SLAVE_BUILD]/src/testing/buildbot/chromium.fyi.json@@@",
@@ -102,6 +105,7 @@
       "--properties",
       "{\"buildername\": \"ChromiumPracticeFullTester\", \"buildnumber\": 571, \"mastername\": \"chromium.fyi\", \"slavename\": \"TestSlavename\", \"target_platform\": \"linux\"}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "get compile targets for scripts",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{}@@@",
@@ -114,6 +118,7 @@
       "-u",
       "[BUILD]/scripts/slave/cleanup_temp.py"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "cleanup_temp"
   },
   {
@@ -135,6 +140,7 @@
       "blink_tests",
       "chromium_swarm_tests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "compile"
   },
   {
@@ -169,6 +175,7 @@
       "--builder-name",
       "ChromiumPracticeFullTester"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "webkit_tests",
     "~followup_annotations": [
       "@@@STEP_TEXT@<br/>Total executed: 9001<br/>@@@"
@@ -194,6 +201,7 @@
       "--build-properties",
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"buildername\": \"ChromiumPracticeFullTester\", \"buildnumber\": 571, \"mastername\": \"chromium.fyi\", \"parent_buildername\": null, \"recipe\": \"chromium\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "archive_webkit_tests_results",
     "~followup_annotations": [
       "@@@STEP_LINK@layout_test_results@https://storage.googleapis.com/chromium-layout-test-archives/ChromiumPracticeFullTester/571/layout-test-results/results.html@@@",