API_CHANGE

Another round of Bluetooth API clean up, javadoc'ing and unhide'ing.

-- Symbols for getting/setting bluetooth state --
BluetoothAdapter.ACTION_STATE_CHANGED
BluetoothAdapter.EXTRA_STATE
BluetoothAdapter.EXTRA_PREVIOUS_STATE
BluetoothAdapter.STATE_OFF
BluetoothAdapter.STATE_TURNING_ON
BluetoothAdapter.STATE_ON
BluetoothAdapter.STATE_TURNING_OFF
BluetoothAdapter.isEnabled()
BluetoothAdapter.getState()
BluetoothAdapter.enable()
BluetoothAdapter.disable()

-- Symbols for getting/setting scan mode --
BluetoothAdapter.ACTION_SCAN_MODE_CHANGED
BluetoothAdapter.EXTRA_SCAN_MODE
BluetoothAdapter.EXTRA_PREVIOUS_SCAN_MODE
BluetoothAdapter.SCAN_MODE_NONE
BluetoothAdapter.SCAN_MODE_CONNECTABLE
BluetoothAdapter.SCAN_MODE_DISCOVERABLE
BluetoothAdapter.getScanMode()
BluetoothAdapter.setScanMode()

-- Symbols for getting address/names --
BluetoothAdapter.getAddress()
BluetoothAdapter.getName()
BluetoothAdapter.setName()