Added ConnectedDevice class
Added ConnectedDevice class

 - Added 'default' serialno argument
 - Improved documentation
dtmilano/AndroidViewClient,awkasem/AndroidViewClient,akimo12345/AndroidViewClient,jyx140521/AndroidViewClient,freakynit/AndroidViewClient,Shivam-Miglani/AndroidViewClient,mwasilew/AndroidViewClient,venomJ/AndroidViewClient,awkasem/AndroidViewClient,awkasem/AndroidViewClient,mwasilew/AndroidViewClient,Shivam-Miglani/AndroidViewClient,dtmilano/AndroidViewClient,venomJ/AndroidViewClient,akimo12345/AndroidViewClient,dtmilano/AndroidViewClient,freakynit/AndroidViewClient,mwasilew/AndroidViewClient,jyx140521/AndroidViewClient,jyx140521/AndroidViewClient,freakynit/AndroidViewClient,venomJ/AndroidViewClient,Shivam-Miglani/AndroidViewClient,akimo12345/AndroidViewClient