Roll recipe dependencies (nontrivial).

scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_android64_builder.json

Index: scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_android64_builder.json
diff --git a/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_android64_builder.json b/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_android64_builder.json
index 62967cc3819b321d3e3127c110d599d683be8985..83a8c654b2581e9d1477926caafc94591e7d1c31 100644
--- a/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_android64_builder.json
+++ b/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_android64_builder.json
@@ -24,7 +24,6 @@
       "src@12345",
       "--output_manifest"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
@@ -63,7 +62,6 @@
       "RECIPE_MODULE[build::webrtc]/resources/cleanup_files.py",
       "[SLAVE_BUILD]/src/out"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "clean test output files"
   },
   {
@@ -76,7 +74,6 @@
       "[SLAVE_BUILD]/src/out/build_product.zip",
       "[SLAVE_BUILD]/src"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "clean local files",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@@@@",
@@ -101,7 +98,6 @@
       "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_CROSSCOMPILE": "1",
@@ -140,7 +136,6 @@
       "[BUILD]/goma",
       "--"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json",
       "PATH": "[SLAVE_BUILD]/src/third_party/android_tools/sdk/platform-tools:[SLAVE_BUILD]/src/build/android:%(PATH)s"
@@ -171,12 +166,10 @@
       "--build-properties",
       "{\"BUILD_CONFIG\": \"Release\", \"buildername\": \"Android64 Builder\", \"buildnumber\": 1337, \"mastername\": \"client.webrtc\", \"recipe\": \"webrtc/standalone\", \"revision\": \"12345\", \"slavename\": \"slavename\"}"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "package build"
   },
   {
     "cmd": [],
-    "cwd": "[SLAVE_BUILD]",
     "name": "trigger",
     "trigger_specs": [
       {