Change proximity sensor to use /dev/sensor/prox
Change proximity sensor to use /dev/sensor/prox

Change-Id: Ib42dded27da41cafbf0cafb14b5d9d4a53d37a84

tmcguire/qt-mobility,tmcguire/qt-mobility,tmcguire/qt-mobility,tmcguire/qt-mobility,tmcguire/qt-mobility