Query libnetd_client for the appropriate netId for host resolution.

If libnetd_client can't be found, operate as before and use the default netId
potentially overriden by a more specific netId passed in to
android_get*fornet().

Change-Id: I42ef3293172651870fb46d2de22464c4f03e8e0b
diff --git a/libc/dns/net/getaddrinfo.c b/libc/dns/net/getaddrinfo.c
index 4c120d9..bdf3ba7 100644
--- a/libc/dns/net/getaddrinfo.c
+++ b/libc/dns/net/getaddrinfo.c
@@ -92,6 +92,7 @@
 #include <ctype.h>
 #include <errno.h>
 #include <netdb.h>
+#include "NetdClient.h"
 #include "resolv_cache.h"
 #include "resolv_netid.h"
 #include "resolv_private.h"
@@ -449,6 +450,8 @@
 		return EAI_NODATA;
 	}
 
+	netid = __netdClientDispatch.netIdForResolv(netid);
+
 	// Send the request.
 	proxy = fdopen(sock, "r+");
 	if (fprintf(proxy, "getaddrinfo %s %s %d %d %d %d %u",