bgpwtf/cccampix/irr: limit concurrency

Change-Id: I958322f33c86469f9c3e21d1bd962faede2a3fee
diff --git a/bgpwtf/cccampix/irr/provider/BUILD.bazel b/bgpwtf/cccampix/irr/provider/BUILD.bazel
index f39744e..2b19f00 100644
--- a/bgpwtf/cccampix/irr/provider/BUILD.bazel
+++ b/bgpwtf/cccampix/irr/provider/BUILD.bazel
@@ -16,6 +16,8 @@
         "//bgpwtf/cccampix/proto:go_default_library",
         "@com_github_golang_collections_go_datastructures//augmentedtree:go_default_library",
         "@com_github_golang_glog//:go_default_library",
+        "@org_golang_google_grpc//codes:go_default_library",
+        "@org_golang_google_grpc//status:go_default_library",
     ],
 )