[client] Use platform-native routing APIs for freeBSD, macOS and Windows

client/internal/dns/upstream_android.go

@@ -3,6 +3,7 @@ package dns
 import (
 	"context"
 	"net"
+	"net/netip"
 	"syscall"
 	"time"
 
@@ -23,8 +24,8 @@ type upstreamResolver struct {
 func newUpstreamResolver(
 	ctx context.Context,
 	_ string,
-	_ net.IP,
-	_ *net.IPNet,
+	_ netip.Addr,
+	_ netip.Prefix,
 	statusRecorder *peer.Status,
 	hostsDNSHolder *hostsDNSHolder,
 	domain string,