Take mac, win gyp builders out of the CQ.

infra/config/cq.cfg

Index: infra/config/cq.cfg
diff --git a/infra/config/cq.cfg b/infra/config/cq.cfg
index 65f3348def61ca3eae8f3d3a24d9d32f85585147..841960b89a42e8fd5d180adc2b52215afb95f8af 100644
--- a/infra/config/cq.cfg
+++ b/infra/config/cq.cfg
@@ -65,7 +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" }
+      builders {
+        name: "mac_chromium_gyp_rel"
+        experiment_percentage: 10
+      }
       builders { name: "mac_chromium_rel_ng" }
       builders {
         name: "mac_chromium_10.10_rel_ng"
@@ -81,7 +84,7 @@ verifiers {
       builders { name: "win_chromium_compile_dbg_ng" }
       builders {
         name: "win8_chromium_gyp_rel"
-        experiment_percentage: 50
+        experiment_percentage: 10
       }
       builders { name: "win_chromium_rel_ng" }
       builders { name: "win_chromium_x64_rel_ng" }