Telephony: Use 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: Ie740c9b3bb6a14621e19c55e4fa18c66bc0d7b0c
(cherry picked from commit b74be3a91ed12c29626edf64bce34a154d4b1db1)
(cherry picked from commit bb13705113a67b493530cf1a8e8ffdca2887093f)
(cherry picked from commit 6cd912d7f13d0985eaa03fa2171f7983c0d2671c)