Add DeviceWrappingPlug. (#671)
Add DeviceWrappingPlug. (#671)


google/openhtf,ShaperTools/openhtf,jettisonjoe/openhtf,jettisonjoe/openhtf,ShaperTools/openhtf,jettisonjoe/openhtf,jettisonjoe/openhtf,ShaperTools/openhtf,google/openhtf,ShaperTools/openhtf,google/openhtf,google/openhtf,ShaperTools/openhtf