More Android BluetoothSocket client fixes

Change-Id: I14ebbc98b514b0214b7edfb41ff9bf219e0ee8ad
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>
Android: set custom uuid as class id for serial profiles

Change-Id: I1ec59eee7c59a7e6080068bc1ceab669e7393e4b
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>
Android: QBluetoothServer port (initial version)

It still contains a few bugs, TODOs and debugging output.

Change-Id: Ia470ae72f47923dcfa7cb99868ef035769356d64
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>