Bug 834160 - Part 1/7: Refactor RILContentHelper callback registration. Interface changes.
Bug 834160 - Part 2/7: fix MobileConnection
Bug 834160 - Part 3/7: fix CellBroadcast
Bug 834160 - Part 4/7: fix Voicemail
Bug 834160 - Part 5/7: fix Telephony
Bug 834160 - Part 6/7: fix ICC
Bug 834160 - Part 7/7: Fix RILContentHelper