TelephonyProvider : Do not ignore seletion when quering "current"

- MMS uses "current" and apnName when quering MMSC, but TelephonyProvider ignores apnsName.
In result, MMS  would get wrong MMSC if there are two more apns for certain mcc/mnc in apns-conf.xml.

Change-Id: I58a9f8c7655b500687c77f5f96808557934b5e21
1 file changed