bug 1041303 - Disable usage app at the moment of receiving SMS, call ended, and utilit...

...y tray showing up

Approach 1, Disable usage app from starting up at three moments:
1. Utility tray show up
2. Receive incoming SMS
3. Call ended

https://bugzilla.mozilla.org/show_bug.cgi?id=1041303
Please also remove `cost_control.js` to avoid confusing people in someday.