[Android] Fix deformed buttons with a small scale

For some reason, small button scales in edit mode caused buttons' heights to increase. This is simply a quick fix so people don't experience the bug. Once I find the exact cause of the problem I will create a more permanent fix.

Without patch: http://i.imgur.com/DgiARX1.png
With patch: http://i.imgur.com/QB4gXHa.png