webrtc: prepare for running under remote_run

scripts/slave/recipes/webrtc/ios_api_framework.expected/build_ok.json

Index: scripts/slave/recipes/webrtc/ios_api_framework.expected/build_ok.json
diff --git a/scripts/slave/recipes/webrtc/ios_api_framework.expected/build_ok.json b/scripts/slave/recipes/webrtc/ios_api_framework.expected/build_ok.json
index e2abf0a77a260b492f0f745646e36ce03e27e68b..74c0e3558d7ecedbb9d552e178301fdf68f85361 100644
--- a/scripts/slave/recipes/webrtc/ios_api_framework.expected/build_ok.json
+++ b/scripts/slave/recipes/webrtc/ios_api_framework.expected/build_ok.json
@@ -25,6 +25,28 @@
     "cmd": [
       "python",
       "-u",
+      "\nimport sys, os\npath = sys.argv[1]\nmode = int(sys.argv[2])\nif not os.path.isdir(path):\n  if os.path.exists(path):\n    print \"%s exists but is not a dir\" % path\n    sys.exit(1)\n  os.makedirs(path, mode)\n",
+      "[BUILDER_CACHE]/iOS_API_Framework_Builder",
+      "511"
+    ],
+    "name": "makedirs checkout path",
+    "~followup_annotations": [
+      "@@@STEP_LOG_LINE@python.inline@@@@",
+      "@@@STEP_LOG_LINE@python.inline@import sys, os@@@",
+      "@@@STEP_LOG_LINE@python.inline@path = sys.argv[1]@@@",
+      "@@@STEP_LOG_LINE@python.inline@mode = int(sys.argv[2])@@@",
+      "@@@STEP_LOG_LINE@python.inline@if not os.path.isdir(path):@@@",
+      "@@@STEP_LOG_LINE@python.inline@  if os.path.exists(path):@@@",
+      "@@@STEP_LOG_LINE@python.inline@    print \"%s exists but is not a dir\" % path@@@",
+      "@@@STEP_LOG_LINE@python.inline@    sys.exit(1)@@@",
+      "@@@STEP_LOG_LINE@python.inline@  os.makedirs(path, mode)@@@",
+      "@@@STEP_LOG_END@python.inline@@@"
+    ]
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
       "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
       "--master",
       "client.webrtc",
@@ -46,6 +68,7 @@
       "src@HEAD",
       "--output_manifest"
     ],
+    "cwd": "[BUILDER_CACHE]/iOS_API_Framework_Builder",
     "env": {
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
@@ -84,7 +107,7 @@
       "RECIPE_PACKAGE_REPO[depot_tools]/gclient.py",
       "runhooks"
     ],
-    "cwd": "[SLAVE_BUILD]/src",
+    "cwd": "[BUILDER_CACHE]/iOS_API_Framework_Builder/src",
     "env": {
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
@@ -92,19 +115,19 @@
   },
   {
     "cmd": [
-      "[SLAVE_BUILD]/src/webrtc/build/ios/build_ios_libs.sh",
+      "[BUILDER_CACHE]/iOS_API_Framework_Builder/src/webrtc/build/ios/build_ios_libs.sh",
       "-c"
     ],
-    "cwd": "[SLAVE_BUILD]/src",
+    "cwd": "[BUILDER_CACHE]/iOS_API_Framework_Builder/src",
     "name": "cleanup"
   },
   {
     "cmd": [
-      "[SLAVE_BUILD]/src/webrtc/build/ios/build_ios_libs.sh",
+      "[BUILDER_CACHE]/iOS_API_Framework_Builder/src/webrtc/build/ios/build_ios_libs.sh",
       "-r",
       "170242"
     ],
-    "cwd": "[SLAVE_BUILD]/src",
+    "cwd": "[BUILDER_CACHE]/iOS_API_Framework_Builder/src",
     "name": "build"
   },
   {
@@ -114,7 +137,7 @@
       "RECIPE_MODULE[build::zip]/resources/zip.py"
     ],
     "name": "zip archive",
-    "stdin": "{\"entries\": [{\"path\": \"[SLAVE_BUILD]/src/out_ios_libs/WebRTC.framework\", \"type\": \"dir\"}, {\"path\": \"[SLAVE_BUILD]/src/out_ios_libs/WebRTC.framework.dSYM\", \"type\": \"dir\"}, {\"archive_name\": null, \"path\": \"[SLAVE_BUILD]/src/out_ios_libs/LICENSE.html\", \"type\": \"file\"}], \"output\": \"[SLAVE_BUILD]/webrtc_ios_api_framework.zip\", \"root\": \"[SLAVE_BUILD]/src/out_ios_libs\"}"
+    "stdin": "{\"entries\": [{\"path\": \"[BUILDER_CACHE]/iOS_API_Framework_Builder/src/out_ios_libs/WebRTC.framework\", \"type\": \"dir\"}, {\"path\": \"[BUILDER_CACHE]/iOS_API_Framework_Builder/src/out_ios_libs/WebRTC.framework.dSYM\", \"type\": \"dir\"}, {\"archive_name\": null, \"path\": \"[BUILDER_CACHE]/iOS_API_Framework_Builder/src/out_ios_libs/LICENSE.html\", \"type\": \"file\"}], \"output\": \"[SLAVE_BUILD]/webrtc_ios_api_framework.zip\", \"root\": \"[BUILDER_CACHE]/iOS_API_Framework_Builder/src/out_ios_libs\"}"
   },
   {
     "cmd": [