Add Blimp Linux dbg to the CQ permanently

infra/config/cq.cfg

Index: infra/config/cq.cfg
diff --git a/infra/config/cq.cfg b/infra/config/cq.cfg
index 27f4dd4dcbe055584f21c64629690a47dc9843b6..3ae397d7993057bd16e7c5d994bcb4ec0aefbdf3 100644
--- a/infra/config/cq.cfg
+++ b/infra/config/cq.cfg
@@ -39,10 +39,7 @@ verifiers {
     }
     buckets {
       name: "master.tryserver.chromium.linux"
-      builders {
-        name: "blimp_linux_dbg"
-        experiment_percentage: 100
-      }
+      builders { name: "blimp_linux_dbg" }
       builders { name: "cast_shell_linux" }
       builders { name: "chromeos_amd64-generic_chromium_compile_only_ng" }
       builders { name: "chromeos_daisy_chromium_compile_only_ng" }