[android] allow selection/deselection of network resources on android peers (#4607)

client/iface/device/device_netstack_android.go

@@ -2,6 +2,13 @@
 
 package device
 
+import "fmt"
+
 func (t *TunNetstackDevice) Create(routes []string, dns string, searchDomains []string) (WGConfigurer, error) {
 	return t.create()
 }
+
+func (t *TunNetstackDevice) RenewTun(fd int) error {
+	// Doesn't make sense in Android for Netstack.
+	return fmt.Errorf("this function has not been implemented in Netstack for Android")
+}