[net/dns] Resolve AF_UNSPEC on dual-stacked systems. Sort addresses according to RFC3484.

net/tools/dns_fuzz_stub/dns_fuzz_stub.cc

Index: net/tools/dns_fuzz_stub/dns_fuzz_stub.cc
diff --git a/net/tools/dns_fuzz_stub/dns_fuzz_stub.cc b/net/tools/dns_fuzz_stub/dns_fuzz_stub.cc
index e4573b1f7aea9defd32c999310e62edb585f2804..9884ded058e483416efee4fc63f9d0ae628331bf 100644
--- a/net/tools/dns_fuzz_stub/dns_fuzz_stub.cc
+++ b/net/tools/dns_fuzz_stub/dns_fuzz_stub.cc
@@ -149,7 +149,7 @@ void RunTestCase(uint16 id, std::string& qname, uint16 qtype,
   base::TimeDelta ttl;
   net::DnsResponse::Result result = response.ParseToAddressList(
       &address_list, &ttl);
-  if (result != net::DnsResponse::DNS_SUCCESS) {
+  if (result != net::DnsResponse::DNS_PARSE_OK) {
     LOG(INFO) << "ParseToAddressList failed: " << result;
     return;
   }