Make LTE-enabled APN default for Korea Telecom

Change-Id: I05bdb058a202edee0260fc1a5f1725c9b374e6dc
(cherry picked from commit a441c01ac89af0e171eee3ce3fcd54ceebce1547)
Update HK carrier APNS

Change-Id: Ifa97c577d2c6e5f03a149ad9499d6b47ab6d3490
(cherry picked from commit c30b569ff7eb78970c6e59d5f28ca49a82c87739)
Merge pull request #8 from CyanogenMod/stable/cm-11.0

Update to upstream