Landscape mode freezes in latest Beta (3.1)

[sophisticated-zero]

The app freezes and hang on landscape view and not coming back to portrait mode until
you force close it.

Expected behavior

The app returns portrait mode when you rotate the phone.

Actual behavior

Landscape mode freezes when you rotate the phone

Your environment

• Adguard version: 3.1
• Adguard filtering mode: Local VPN
• Device model: samsung SM-N910C
• Operating system and version: Android 6.0.1
• Root access: No

[sophisticated-zero]

similar issue on Samsung phone when switching back to vertical. Landscape mode stays. model=SM-G930F brand=samsung

[TheHasagi]

Steps to reproduce:

1. Run AdGuard at first time
2. Try to start the protection
3. When you will see the message that explains about VPN, change orientation to landscape and back again until it stuck.