fix(android): use specific netlink families for android

Android doesn't allow netlink_xfrm & netlink_nflog in his base policy in enforce
mode. (see [here](3aa1c1725e/public/app.te (396)))
this cause a _permission denied_ when NewTransport method is called on android,
however it's look like that only *netlink route* is needed, so we just have to limit netlink
families support on android build to NETLINK_ROUTE only when netlink.NewHandle is called.

p2p/transport/quic/netlink_android.go

@@ -0,0 +1,8 @@
+// +build android
+
+package libp2pquic
+
+import "golang.org/x/sys/unix"
+
+// Android doesn't allow netlink_xfrm and netlink_netfilter in his base policy
+var SupportedNlFamilies = []int{unix.NETLINK_ROUTE}

p2p/transport/quic/netlink_other.go

@@ -0,0 +1,8 @@
+// +build !android
+
+package libp2pquic
+
+import "github.com/vishvananda/netlink/nl"
+
+// nl.SupportedNlFamilies is the default netlink families used by the netlink package
+var SupportedNlFamilies = nl.SupportedNlFamilies

p2p/transport/quic/reuse.go

@@ -62,7 +62,7 @@ type reuse struct {
 
 func newReuse() (*reuse, error) {
 	// On non-Linux systems, this will return ErrNotImplemented.
-	handle, err := netlink.NewHandle()
+	handle, err := netlink.NewHandle(SupportedNlFamilies...)
 	if err == netlink.ErrNotImplemented {
 		handle = nil
 	} else if err != nil {