EventLoop : Set AA_CompressTabletEvents for our QApplication
EventLoop : Set AA_CompressTabletEvents for our QApplication

Fixes laggy interaction with tablets, equivalent to the old
QT_COMPRESS_TABLET_EVENTS env var supported in Maya Qt builds.

ImageEngine/gaffer,andrewkaufman/gaffer,GafferHQ/gaffer,hradec/gaffer,andrewkaufman/gaffer,johnhaddon/gaffer,hradec/gaffer,ImageEngine/gaffer,hradec/gaffer,hradec/gaffer,andrewkaufman/gaffer,andrewkaufman/gaffer,ImageEngine/gaffer,GafferHQ/gaffer,GafferHQ/gaffer,johnhaddon/gaffer,GafferHQ/gaffer,andrewkaufman/gaffer,GafferHQ/gaffer,johnhaddon/gaffer,johnhaddon/gaffer,hradec/gaffer,johnhaddon/gaffer,ImageEngine/gaffer