report suspend/resume status correctly

These were useful:

* https://bitbucket.org/bewest/carelink/src/2c650855822d35a9124fde110f47e75cc77b0374/ddmsDTWApplet.src/minimed/ddms/deviceportreader/MM511.java?at=default
* https://bitbucket.org/bewest/carelink/src/2c650855822d35a9124fde110f47e75cc77b0374/ddmsDTWApplet.src/minimed/ddms/deviceportreader/MMX15.java?at=default