Use dnsproxyd_protocol_headers instead of libnetd_client_headers for NETID_USE_LOCAL_NAMESERVERS

NETID_USE_LOCAL_NAMESERVERS is no longer in libnetd_client_headers

Bug: 151895202
Test: build
Change-Id: I064f60fa4edf5a1b2ad7f8a127ab531f0ab0c52c
diff --git a/dns64.c b/dns64.c
index 5ca85d9..66cb7dc 100644
--- a/dns64.c
+++ b/dns64.c
@@ -25,7 +25,7 @@
 #include <sys/socket.h>
 #include <unistd.h>
 
-#include "NetdClient.h"
+#include <DnsProxydProtocol.h>  // NETID_USE_LOCAL_NAMESERVERS
 #include "dns64.h"
 #include "logging.h"
 #include "resolv_netid.h"