Bug 826977 - Part 1/4: RadioInterfaceLayer is no longer managed by SystemWorkerManager. New interface. r=qDot
Bug 826977 - Part 2/4: SystemWorkerManager & RadionInterfaceLayer changes. r=qDot
Bug 826977 - Part 3/4: fix all related components as well. r=hsinyi
Bug 826977 - Part 4/4: fix voicemail test cases. r=hsinyi
Backout 82464c35d37a (Bug 808215) for a regression and test failures.