Merge pull request #18297 from lidizheng/backport-fix

Backport "Add the missing grpc_cfstream dependency" to v1.19.x
diff --git a/BUILD b/BUILD
index 78e5e77..f5f6f77 100644
--- a/BUILD
+++ b/BUILD
@@ -297,6 +297,7 @@
     public_hdrs = GRPC_PUBLIC_HDRS + GRPC_SECURE_PUBLIC_HDRS,
     standalone = True,
     deps = [
+        "grpc_cfstream",
         "grpc_common",
         "grpc_lb_policy_grpclb_secure",
         "grpc_lb_policy_xds_secure",