Change empty tile color from black to gray
Change empty tile color from black to gray

Change-Id: Ie7317da82331eff54fa7183a1fe709ad612e188d
Reviewed-by: Natalia Shubina <2041007149eb9d1657a42550d07ee3dad25a2f4d@nokia.com>

amccarthy/qtlocation,kobolabs/qtlocation,amccarthy/qtlocation,kobolabs/qtlocation,amccarthy/qtlocation,kobolabs/qtlocation