1. Updated privacy policy to reflect user data collected
2. Updated app to use SDK v33
3. Updated app with latest google playstore billing API (v 6.0.1)
4. Added "Delete Account" button to options menu in the Main Lobby Screen.
5. Removed old and unused webrtc sdk library from app
6. Updated 3rd party sdks to latest versions: Picasso, okhttp, asynchttp, glide