force DPIScaleFactor to 1 on Mac
force DPIScaleFactor to 1 on Mac

Change-Id: I37629e1ef18f9843fcbdd643d8aaee0b3c8baa73

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core