[FP5-1342] [FP5]Modify SPN/ICCID of MVNO type in APN settings

* Root Cause
  SPN value is different from ApnEditor.java
* Solution
  get SPN from TelephonyManager
* Test Steps
  Settings -> Apn Settings -> add new -> choose MVNO type as SPN and
  check MVNO value
* Test Result
  pass

Change-Id: I30043365c661b89035ea3c8ddd48d175c80f93c7
1 file changed