Bug 946866 - [DSDS][Settings] Refactor SimSettingsHelper into shared code.
Bug 946866 - [DSDS][Settings] Refactor SIM card option constants into shared code.
Bug 946866 - [DSDS][SMS] Refactor OptionMenu from SMS app to shared code.
Bug 946866 - [DSDS][Dialer] On-the-fly SIM change when calling.