FM Radio: squashed commit of changes (thanks daemond)
- fix FM audio routing
- Replace FmRadioReceiver by Effem
SkateParts: cleanup & fix crash
init: Added missing permissions for ondemand governor
libaudio: AudioPolicyManager: bring in line with the base class
- enables overriden setDeviceConnectionState method
- fixes FM radio on/off, routing and volume control
- removes obsolete methods
Yet another BT fixes
system.prop: added sys.mem.max_hidden_apps to limit cached apps