features:
- new Chrome OS CCD (Closed Case Debugging)
ChromeCcdSerialDriver
(#540)
changes:
- consolidate control line method results, if no control lines supported (GsmModemSerialDriver, ChromeCcdSerialDriver):
getSupportedControlLines
returnsEnumSet.noneOf(ControlLine.class)
getControlLines()
throwsUnsupportedOperationException
, similar toget/set<SingleControlLine>()