Reverting GN flip for Chrome Win (speculative)

tools/mb/mb_config.pyl

Index: tools/mb/mb_config.pyl
diff --git a/tools/mb/mb_config.pyl b/tools/mb/mb_config.pyl
index 97a1756415e82ea903e64f21816b18010fa798a4..7f45512e514dcb498f67928cf1b4c32303263ab5 100644
--- a/tools/mb/mb_config.pyl
+++ b/tools/mb/mb_config.pyl
@@ -64,7 +64,7 @@
       'Google Chrome ChromeOS': 'gyp_official_goma_chromeos',
       'Google Chrome Linux x64': 'gn_official_goma',
       'Google Chrome Mac': 'gyp_official_goma',
-      'Google Chrome Win': 'gn_official_goma_minimal_symbols_x86',
+      'Google Chrome Win': 'gyp_official_goma_minimal_symbols_x86',
     },
 
     'chromium.chromiumos': {
@@ -1326,6 +1326,10 @@
       'gyp', 'official', 'goma', 'chromeos',
     ],
 
+    'gyp_official_goma_minimal_symbols_x86': [
+      'gyp', 'official', 'goma', 'minimal_symbols', 'x86',
+    ],
+
     'gyp_official_syzyasan': [
       'gyp', 'official', 'syzyasan',
     ],