Add Mac, Win builders back to the CQ for extra coverage.

infra/config/cq.cfg

Index: infra/config/cq.cfg
diff --git a/infra/config/cq.cfg b/infra/config/cq.cfg
index 40d05993ba0eaa80f3561f0024a94ae717a44780..9ab502f59aa360f9b8c63909c1be77a067d62874 100644
--- a/infra/config/cq.cfg
+++ b/infra/config/cq.cfg
@@ -65,6 +65,10 @@ verifiers {
       builders { name: "ios-simulator" }
       builders { name: "ios-simulator-gn" }
       builders { name: "mac_chromium_compile_dbg_ng" }
+      builders {
+        name: "mac_chromium_gyp_rel"
+        experiment_percentage: 50
+      }
       builders { name: "mac_chromium_rel_ng" }
       builders {
         name: "mac_chromium_10.10_rel_ng"
@@ -78,6 +82,10 @@ verifiers {
         experiment_percentage: 10
       }
       builders { name: "win_chromium_compile_dbg_ng" }
+      builders {
+        name: "win_chromium_gyp_rel"
+        experiment_percentage: 50
+      }
       builders { name: "win_chromium_rel_ng" }
       builders { name: "win_chromium_x64_rel_ng" }
       builders { name: "win_clang" }