Add an optional kernel-interface parameter to install IPs with a custom prefix

src/frontends/android/jni/libandroidbridge/kernel/android_net.c

@@ -92,7 +92,8 @@ METHOD(kernel_net_t, get_source_addr, host_t*,
 }
 
 METHOD(kernel_net_t, add_ip, status_t,
-	private_kernel_android_net_t *this, host_t *virtual_ip, host_t *iface_ip)
+	private_kernel_android_net_t *this, host_t *virtual_ip, int prefix,
+	host_t *iface_ip)
 {
 	/* we get the IP from the IKE_SA once the CHILD_SA is established */
 	return SUCCESS;