Fix apn option display issue for world phone mode

When configs world_phone_bool and show_apn_setting_cdma_bool are enabled,
'Access Point Names' is displayed twice under Network Settings, as this
preference is added from both GsmUmtsOptions and CdmaOptions.
Fix is to add preference from CdmaOptions only if phone type is cdma and
show_apn_setting_cdma_bool config is enabled.

Change-Id: Ia89b0b882604e287a996fec86c9c961df704f1e8
Test: builds, and CdmaOptionsTest.java (no manual test)
Bug: 70309465
4 files changed