Bug 947198 - [DSDS][dolphin][OMA CP] Support for DSDS. r=jaoo

Bug 947198 - [DSDS][dolphin][OMA CP] Support for DSDS. r=jaoo
Move this setup into a separate setup function after ``suiteTeardown()``, for example:

```javascript
  setup(function() {
    MockNavigatorSettings.mSettings['operatorvariant.mcc'] = ['214', '216'];
    MockNavigatorSettings.mSettings['operatorvariant.mnc'] = ['07', '01'];
  });
```