Add missing fields to ApnSetting#toContentValues

- ApnSetting#toContentValues is missing important fields for
  connectivity and identifying carriers. Added the mcc,mnc and the MVNO
  match data.

Bug: 264916634
Test: atest CtsTelephonyTestCases
Test: Validated no issues on local device (C10).
Change-Id: I71d58247ccc4fe577eec93243fb16399ebbef993