🐞 fix(android): import ArrayList from java.util (#39)

1. build failed due to "cannot find symbol ArrayList" error

Author: KM8Oz

android/src/main/java/com/norcod/rnovpn/RNSimpleOpenvpnModule.java

@@ -54,7 +54,7 @@
 import de.blinkt.openvpn.core.VPNLaunchHelper;
 import de.blinkt.openvpn.core.VpnStatus;
 import de.blinkt.openvpn.fragments.Utils;
-
+import java.util.ArrayList;
 import java.io.BufferedReader;
 import java.io.InputStream;
 import java.io.InputStreamReader;