Add win_xfa_clang trybot

infra/config/cq.cfg

Index: infra/config/cq.cfg
diff --git a/infra/config/cq.cfg b/infra/config/cq.cfg
index ac6ee5012d4d6a9015a019bca068db093cd3e5fd..2582e12691a4113ceeb2f2a3b3a1cb195ccf468c 100644
--- a/infra/config/cq.cfg
+++ b/infra/config/cq.cfg
@@ -26,9 +26,6 @@ verifiers {
         name: "linux"
       }
       builders {
-        name: "linux_xfa"
-      }
-      builders {
         name: "linux_no_v8"
       }
       builders {
@@ -36,10 +33,13 @@ verifiers {
         experiment_percentage: 100
       }
       builders {
-        name: "mac"
+        name: "linux_xfa"
       }
       builders {
-        name: "mac_xfa"
+        name: "linux_xfa_rel_gn"
+      }
+      builders {
+        name: "mac"
       }
       builders {
         name: "mac_no_v8"
@@ -49,10 +49,13 @@ verifiers {
         experiment_percentage: 100
       }
       builders {
-        name: "win"
+        name: "mac_xfa"
       }
       builders {
-        name: "win_xfa"
+        name: "mac_xfa_rel_gn"
+      }
+      builders {
+        name: "win"
       }
       builders {
         name: "win_no_v8"
@@ -62,10 +65,10 @@ verifiers {
         experiment_percentage: 100
       }
       builders {
-        name: "linux_xfa_rel_gn"
+        name: "win_xfa"
       }
       builders {
-        name: "mac_xfa_rel_gn"
+        name: "win_xfa_clang"
       }
       builders {
         name: "win_xfa_64_rel_gn"