Fix CQ config.

R=tandrii@chromium.org
TBR=tandrii@chromium.org

Review URL: https://codereview.chromium.org/942823003

Cr-Commit-Position: refs/heads/master@{#26774}

testing/commit_queue/config.json

@@ -17,6 +17,7 @@
                 "v8_win_compile_dbg": ["defaulttests"],
                 "v8_win_rel": ["defaulttests"]
             }
-        }
+        },
+        "triggered": {}
     }
 }