SerialManager: Only allow opening files that are whitelisted serial port devices

    public ParcelFileDescriptor openSerialPort(String path) {

        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.SERIAL_PORT, null);

        for (int i = 0; i < mSerialPorts.length; i++) {

            if (mSerialPorts[i].equals(path)) {

                return native_open(path);

            }

        }

        throw new IllegalArgumentException("Invalid serial port " + path);

    }

    private native ParcelFileDescriptor native_open(String path);

}