Swap order of background/audio track changing methods
Swap order of background/audio track changing methods

Mostly for quality of reviewing (restores previous order) and more
consistency overall.

peppy/osu,UselessToucan/osu,smoogipoo/osu,ppy/osu,ppy/osu,peppy/osu,NeoAdonis/osu,UselessToucan/osu,smoogipoo/osu,ppy/osu,peppy/osu,UselessToucan/osu,peppy/osu-new,smoogipoo/osu,NeoAdonis/osu,NeoAdonis/osu,smoogipooo/osu