Fixing few TelephonyManager calls to work when there is no SIM.

* getDeviceSoftwareVersion - Fixed to work for no SIM by not looking up subId.
* getImei - Fixed to work for no SIM by not looking up subId.
* getActivePhoneTypeForSlot - Adding a method (hidden).
* getCallState - Adding slotId version (hidden).

Bug: 27378995
Change-Id: Ia717951215a5fac591314cd6dd07af8258d89ba7
1 file changed