Your car does that because it's designed by the same Chinese engineer responsible for those crappy Ford Mustang transmissions. Real engineers from real countries like Japan and USA put springs in the brakes to pull the brake pads back and stop them from rubbing.
The travel distance of the brake pads is why the brakes in all Toyota vehicles feel so mushy. It's actually one if the first things people complain about when they drive a Toyota for the first time. "the pads aren't wearing down fast enough, waaaah I want my chinese designed Geo Metro back"
http://www.tundrasolutions.com/forums/1gen-tundra/84504-soft-brakes-and-creeping/