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)
Telephony: Avoid list of Apns in ApnSettingsMenu

Don't display any Apns in the ApnSettingsMenu when
getOperatorNumericSelection returns empty

Change-Id: I8f425e75c995f9825905983dc1bdc94f15f2054e
CRs-fixed: 486026
(cherry picked from commit 09e0403e2199c65e567775994ffe990281fc5183)
(cherry picked from commit d483b697e2acc4eef23a8cd743be97b2febdb565)
(cherry picked from commit c89dc4e90cff4d0f3342cf3862d159ff785b2a2e)