Merge "Add OTADM feature for Verizon requirement. -...

Merge "Add OTADM feature for Verizon requirement. - GsmDataConnectionTracker.java   <in function createApnList>   : modify parameter type for new ApnSetting.     (carrierEnabled has changed to boolean from integer,      BEARER has changed to integer from string).   <in function createAllApnList>   : modify telephony db query statement using carrierEnabled. (carrier_enabled: 1 enable apn, 0: disabled apn)   <in function buildWaitingApns>   : modify apn management code when current RAT (radio access technology) is LTE or EHRPD.     add internal function named needToCheckApnBearer to check current RAT is LTE or EHRPD. - ApnSetting.java   : add two member variable (carrierEnabled: apn enable/disable , bearer : Radio Access Technology) - Telephony.java   : add two static string CARRIER_ENABLED & BEARER. - ApnSettingTest.java   : add two assertEquals in function assertApnSettingEqual.     add CARRIER_ENABLED & BEARER parameters."