Update PhoneGlobals, PhoneInterfaceManager and CdmaConference to use carrierconfig.

Moved variables:
support_swap_after_merge
ignore_sim_network_locked_events
dtmf_type_enabled
world_phone

Bug: b/20270007
Change-Id: I12619f16b6a085b57edc1248b8445705bf5b11de
3 files changed