Dhizuku support

[shuvashish76]

Add installation support via Dhizuku.
Apps that already support Dhizuku:

• Amarok
• Hail
• OwnDroid
• Privacy Flip
• Webview Kiosk

See this comment: iamr0s/Dhizuku#54 (comment) and their fastlane full description for difference between Shizuku and Dhizuku.

[mlm-games]

Added it (it didn't work without a popup in my device and emulator, but might work for others)