Telephony: Add new apn.sim.operator_numeric property

Use new property to filter apns. We need this new property
because icc.operator_numeric property is also used in cdma
and ApnSetting UI might display wrong set of apns if the
peroperty value used was set by RuimRecords
CRs-Fixed: 362846

Change-Id: I3831a703a2fdc69df8552af57e0bb981d0c7e46f