updated h icon to 3g+ for hsdpa

Change-Id: I91c1e8e78a00d84194e65710670a7c01b438b197

Conflicts:
	packages/SystemUI/res/drawable-xhdpi/stat_sys_data_connected_h.png
	packages/SystemUI/res/drawable-xhdpi/stat_sys_data_fully_connected_h.png