WebRTC: Repurpose GN bots to GYP for all but iOS

scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_linux64_release__gyp_.json

Index: scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_linux64_release__gyp_.json
diff --git a/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_linux64_release__gn_.json b/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_linux64_release__gyp_.json
similarity index 92%
rename from scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_linux64_release__gn_.json
rename to scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_linux64_release__gyp_.json
index 07e72489cf8290a312b6df03a7ddca0dcea50bc4..bd46da949d90d5df5e704be37fff648851f901d3 100644
--- a/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_linux64_release__gn_.json
+++ b/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_linux64_release__gyp_.json
@@ -4,7 +4,7 @@
       "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]/Linux64_Release__GN_",
+      "[BUILDER_CACHE]/Linux64_Release__GYP_",
       "511"
     ],
     "name": "makedirs checkout path",
@@ -29,7 +29,7 @@
       "--master",
       "client.webrtc",
       "--builder",
-      "Linux64 Release (GN)",
+      "Linux64 Release (GYP)",
       "--slave",
       "slavename",
       "--spec",
@@ -46,7 +46,7 @@
       "src@12345",
       "--output_manifest"
     ],
-    "cwd": "[BUILDER_CACHE]/Linux64_Release__GN_",
+    "cwd": "[BUILDER_CACHE]/Linux64_Release__GYP_",
     "env": {
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
@@ -83,7 +83,7 @@
       "python",
       "-u",
       "RECIPE_MODULE[build::webrtc]/resources/cleanup_files.py",
-      "[BUILDER_CACHE]/Linux64_Release__GN_/src/out"
+      "[BUILDER_CACHE]/Linux64_Release__GYP_/src/out"
     ],
     "name": "clean test output files"
   },
@@ -163,7 +163,7 @@
       "RECIPE_PACKAGE_REPO[depot_tools]/gclient.py",
       "runhooks"
     ],
-    "cwd": "[BUILDER_CACHE]/Linux64_Release__GN_/src",
+    "cwd": "[BUILDER_CACHE]/Linux64_Release__GYP_/src",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json",
       "GYP_CHROMIUM_NO_ACTION": "1",
@@ -176,20 +176,20 @@
     "cmd": [
       "python",
       "-u",
-      "[BUILDER_CACHE]/Linux64_Release__GN_/src/tools/mb/mb.py",
+      "[BUILDER_CACHE]/Linux64_Release__GYP_/src/tools/mb/mb.py",
       "gen",
       "-m",
       "client.webrtc",
       "-b",
-      "Linux64 Release (GN)",
+      "Linux64 Release (GYP)",
       "--config-file",
-      "[BUILDER_CACHE]/Linux64_Release__GN_/src/webrtc/build/mb_config.pyl",
+      "[BUILDER_CACHE]/Linux64_Release__GYP_/src/webrtc/build/mb_config.pyl",
       "--goma-dir",
       "[CACHE]/cipd/goma",
-      "--gyp-script=[BUILDER_CACHE]/Linux64_Release__GN_/src/webrtc/build/gyp_webrtc.py",
+      "--gyp-script=[BUILDER_CACHE]/Linux64_Release__GYP_/src/webrtc/build/gyp_webrtc.py",
       "//out/Release"
     ],
-    "cwd": "[BUILDER_CACHE]/Linux64_Release__GN_/src",
+    "cwd": "[BUILDER_CACHE]/Linux64_Release__GYP_/src",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },
@@ -210,7 +210,7 @@
       "--target",
       "Release",
       "--src-dir",
-      "[BUILDER_CACHE]/Linux64_Release__GN_/src",
+      "[BUILDER_CACHE]/Linux64_Release__GYP_/src",
       "--goma-cache-dir",
       "[GOMA_CACHE]",
       "--goma-deps-cache-dir",
@@ -223,8 +223,7 @@
       "/creds/service_accounts/service-account-goma-client.json",
       "--goma-dir",
       "[CACHE]/cipd/goma",
-      "--",
-      "all"
+      "--"
     ],
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"