[Android] Add an option to allow portrait mode on some devices

[Wohlstand]

There are some devices with a keyboard at the bottom, and it's inconvenient to play on such devices (for example, BlackBerry KEY2 BBF100-6) because game enforces the landscape layout.

So, it's need to allow portrait layout for these devices, otherwise, it's a pain to play on them if use a keyboard.

[ChristianSilvermoon]

This could also potentially allow for having the touch controls in a blank section below the gameplay so as not to obstruct the view of the game with them