Add CQ config specific to infra/config branch

Otherwise it tries to run normal libyuv tryjobs for it
(since https://chrome-internal-review.googlesource.com/783342)

No-Try: True
Change-Id: Ic47dae0591b785c256fce19a7b8186e7fc33356c
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/1709462
Reviewed-by: Mirko Bonadei <mbonadei@chromium.org>
Commit-Queue: Oleh Prypin <oprypin@chromium.org>

commit-queue.cfg

@@ -13,7 +13,7 @@ config_groups {
     url: "https://chromium-review.googlesource.com"
     projects {
       name: "libyuv/libyuv"
-      ref_regexp: "refs/heads/.+"
+      ref_regexp: "refs/heads/master"
     }
   }
   verifiers {
@@ -111,3 +111,30 @@ config_groups {
     }
   }
 }
+config_groups {
+  gerrit {
+    url: "https://chromium-review.googlesource.com"
+    projects {
+      name: "libyuv/libyuv"
+      ref_regexp: "refs/heads/infra/config"
+    }
+  }
+  verifiers {
+    gerrit_cq_ability {
+      committer_list: "project-libyuv-committers"
+      dry_run_access_list: "project-libyuv-tryjob-access"
+    }
+    tryjob {
+      builders {
+        name: "libyuv/try/presubmit"
+      }
+      retry_config {
+        single_quota: 1
+        global_quota: 2
+        failure_weight: 1
+        transient_failure_weight: 1
+        timeout_weight: 2
+      }
+    }
+  }
+}

cr-buildbucket.cfg

@@ -370,6 +370,15 @@ buckets {
       name: "win_x64_rel"
       mixins: "win"
     }
+    builders {
+      name: "presubmit"
+      mixins: "linux"
+      recipe {
+        name: "run_presubmit"
+        properties: "repo_name:libyuv"
+        properties_j: "runhooks:true"
+      }
+    }
   }
 }