apds9930: proper close iio device in destructor and update sensor description
apds9930: proper close iio device in destructor and update sensor description

Proper close iio device in destructor.

APDS-9930 is light and proximity sensor from Avago Technologies.
This sensor can measure ambient light in lux and proximity distance in 100mm.

The library provided is libupm-apds9930.so.0.4.0.
The example provided is apds9930-example where this app will print the value of
ambient light and proximity in every 1 second.

Signed-off-by: Lay, Kuan Loon <835688da874a20a734cfb7f888d2ac8760d40914@intel.com>
Signed-off-by: Noel Eck <1e36ab6ededef40f3f16bdbc1b09eee72c5d08cf@intel.com>

pylbert/upm,nitirohilla/upm,intel-iot-devkit/upm,stefan-andritoiu/upm,malikabhi05/upm,Propanu/upm,skiselev/upm,nitirohilla/upm,pylbert/upm,pylbert/upm,skiselev/upm,skiselev/upm,nitirohilla/upm,whbruce/upm,skiselev/upm,spitfire88/upm,jontrulson/upm,whbruce/upm,Propanu/upm,g-vidal/upm,stefan-andritoiu/upm,Jon-ICS/upm,whbruce/upm,jontrulson/upm,pylbert/upm,Jon-ICS/upm,g-vidal/upm,Propanu/upm,andreivasiliu2211/upm,nitirohilla/upm,sasmita/upm,Jon-ICS/upm,malikabhi05/upm,g-vidal/upm,spitfire88/upm,malikabhi05/upm,intel-iot-devkit/upm,stefan-andritoiu/upm,stefan-andritoiu/upm,whbruce/upm,stefan-andritoiu/upm,intel-iot-devkit/upm,skiselev/upm,spitfire88/upm,malikabhi05/upm,jontrulson/upm,whbruce/upm,malikabhi05/upm,andreivasiliu2211/upm,spitfire88/upm,pylbert/upm,jontrulson/upm,Propanu/upm,intel-iot-devkit/upm,andreivasiliu2211/upm,Propanu/upm,sasmita/upm,Propanu/upm,intel-iot-devkit/upm,andreivasiliu2211/upm,spitfire88/upm,Jon-ICS/upm,andreivasiliu2211/upm,g-vidal/upm,intel-iot-devkit/upm,sasmita/upm,g-vidal/upm,pylbert/upm,jontrulson/upm,g-vidal/upm,stefan-andritoiu/upm,sasmita/upm,sasmita/upm,malikabhi05/upm,Jon-ICS/upm,nitirohilla/upm,skiselev/upm