Roll recipe dependencies (nontrivial).

scripts/slave/recipes/webrtc/standalone.expected/tryserver_webrtc_mac_gn_dbg.json

Index: scripts/slave/recipes/webrtc/standalone.expected/tryserver_webrtc_mac_gn_dbg.json
diff --git a/scripts/slave/recipes/webrtc/standalone.expected/tryserver_webrtc_mac_gn_dbg.json b/scripts/slave/recipes/webrtc/standalone.expected/tryserver_webrtc_mac_gn_dbg.json
index 3d402d98ee2ff288c9f5a30357ffd57289d87b75..b01f048a857b014616a88a23342f1c5b31487e4c 100644
--- a/scripts/slave/recipes/webrtc/standalone.expected/tryserver_webrtc_mac_gn_dbg.json
+++ b/scripts/slave/recipes/webrtc/standalone.expected/tryserver_webrtc_mac_gn_dbg.json
@@ -5,7 +5,6 @@
       "--json-file",
       "/path/to/tmp/json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "host and tools info",
     "~followup_annotations": [
       "@@@STEP_TEXT@<br />OS X 1.2.3, Xcode 6.7.8 (5D342509a)@@@",
@@ -53,7 +52,6 @@
       "src@12345",
       "--output_manifest"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
@@ -92,7 +90,6 @@
       "RECIPE_MODULE[build::webrtc]/resources/cleanup_files.py",
       "[SLAVE_BUILD]/src/out"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "clean test output files"
   },
   {
@@ -104,7 +101,6 @@
       "python",
       "RECIPE_PACKAGE_REPO[build]/scripts/slave/cleanup_temp.py"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "cleanup_temp"
   },
   {
@@ -114,7 +110,6 @@
       "RECIPE_PACKAGE_REPO[depot_tools]/gclient.py",
       "runhooks"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json",
       "GYP_CHROMIUM_NO_ACTION": "1",
@@ -133,7 +128,6 @@
       "//out/Debug",
       "--args=ffmpeg_branding=\"Chrome\" rtc_use_h264=true is_debug=true target_cpu=\"x64\" use_goma=true goma_dir=\"[BUILD]/goma\""
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "gn"
   },
   {
@@ -147,7 +141,6 @@
       "--output-json",
       "/path/to/tmp/json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },
@@ -192,7 +185,6 @@
       "--",
       "all"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },