Added various apis and fixed existing ones
BluetoothFacade.java
Removed unregistering reciever as it was causing crashes

BluetoothRfcommFacade.java
Cleared file descriptors on closing of a rfcomm socket

GattFacade.java
Added api gattServerGetConnectedDevices
Added api gattServerSendResponse
Fixed api gattReadCharacteristic

Change-Id: I005bf4d5c274f827f124e4a2a454a978d0acc21d
3 files changed