wire up dangling configs in DNSModule

Summary:
all configs that have to do with managing DNS cache staleness are dangling in
DNSModule, this diff fixes that.

Reviewed By: hanidamlaj

Differential Revision: D98268778

fbshipit-source-id: d245969b39fc59aef1d7367a2f0960f3f982d94f

Author: Hrant Novikov

proxygen/lib/dns/DNSModule.h

@@ -38,7 +38,10 @@ class DNSModule {
     auto resolver =
         CachingDNSResolver::newResolver(DNSResolver::UniquePtr(cares.release()),
                                         cacheMaxSize_,
-                                        cacheClearSize_);
+                                        cacheClearSize_,
+                                        staleCacheSizeMultiplier_,
+                                        staleCacheTTLMin_,
+                                        staleCacheTTLScale_);
 
     return DNSResolver::UniquePtr(resolver.release());
   }