Bug 1143639: Use fd_events handler for alarm timeouts
Bug 1143639: Use fd_events handler for alarm timeouts

hobinjk/platform_system_bluetoothd,mozilla-b2g/platform_system_bluetoothd,tdz/platform_system_bluetoothd,andyvand/platform_system_bluetoothd,BruceSunMozilla/platform_system_bluetoothd,hobinjk/system-bluetoothd