Add MB config to SyzyASAN builders.

scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_win_win_chromium_syzyasan_rel.json

Index: scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_win_win_chromium_syzyasan_rel.json
diff --git a/scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_win_win_chromium_syzyasan_rel.json b/scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_win_win_chromium_syzyasan_rel.json
index 74861abd90942d61e7fc9331582f63034c8add47..0faa446fe89790af39bed39e953118512516877b 100644
--- a/scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_win_win_chromium_syzyasan_rel.json
+++ b/scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_win_win_chromium_syzyasan_rel.json
@@ -217,6 +217,7 @@
     "cwd": "[BUILDER_CACHE]\\win\\src",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "C:\\creds\\service_accounts\\service-account-goma-client.json",
+      "GYP_CHROMIUM_NO_ACTION": "1",
       "GYP_DEFINES": "component=shared_library dcheck_always_on=1 fastbuild=1 gomadir='[CACHE]\\cipd\\goma' syzyasan=1 target_arch=ia32 test_isolation_mode=prepare use_goma=1 win_z7=0",
       "PATH": "%(PATH)s;RECIPE_PACKAGE_REPO[depot_tools]"
     },
@@ -348,6 +349,28 @@
     "cmd": [
       "python",
       "-u",
+      "[BUILDER_CACHE]\\win\\src\\tools\\mb\\mb.py",
+      "gen",
+      "-m",
+      "tryserver.chromium.win",
+      "-b",
+      "win_chromium_syzyasan_rel",
+      "--config-file",
+      "[BUILDER_CACHE]\\win\\src\\tools\\mb\\mb_config.pyl",
+      "--goma-dir",
+      "[CACHE]\\cipd\\goma",
+      "//out/Release"
+    ],
+    "cwd": "[BUILDER_CACHE]\\win\\src",
+    "env": {
+      "GOMA_SERVICE_ACCOUNT_JSON_FILE": "C:\\creds\\service_accounts\\service-account-goma-client.json"
+    },
+    "name": "generate_build_files (with patch)"
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
       "RECIPE_PACKAGE_REPO[build]\\scripts\\tools\\runit.py",
       "--show-path",
       "python",