Switch DNS (WiFi / Bluetooth /

May 7, 2019

- Recompile to support Android Pie API 28 Revision 6
- Optimization code size

Previously:
- Change custom choice
- Fix orientation bug
- Reduce code
- Fix Icon for Android 7 and above
You can manually set:
1. FreeDNS (37.235.1.174) (37.235.1.177)
2. DNS.WATCH (84.200.69.80) (84.200.70.40)
3. Norton ConnectSafe (199.85.126.10) (199.85.127.10)
4. CleanBrowsing (185.228.168.9) (185.228.169.9)

- Add webview to show DNS from ipleak.net
- Internal webview can surf but will not load images