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().

(cherry picked from commit 559c7842cc)

Change-Id: I42ef3293172651870fb46d2de22464c4f03e8e0b

libc/bionic/NetdClient.cpp

@@ -43,6 +43,8 @@ static void netdClientInitImpl() {
     netdClientInitFunction(netdClientHandle, "netdClientInitAccept", &__netdClientDispatch.accept);
     netdClientInitFunction(netdClientHandle, "netdClientInitConnect",
                            &__netdClientDispatch.connect);
+    netdClientInitFunction(netdClientHandle, "netdClientInitNetIdForResolv",
+                           &__netdClientDispatch.netIdForResolv);
 }
 
 static pthread_once_t netdClientInitOnce = PTHREAD_ONCE_INIT;