New sysUi icons hdpi

Change-Id: Ie2e03f7114ec92ad845e6421e06552aa17826abe

Conflicts:
	packages/SystemUI/res/drawable-hdpi/stat_sys_signal_1.png
	packages/SystemUI/res/drawable-hdpi/stat_sys_signal_1_fully.png
	packages/SystemUI/res/drawable-hdpi/stat_sys_signal_2.png
	packages/SystemUI/res/drawable-hdpi/stat_sys_signal_2_fully.png
	packages/SystemUI/res/drawable-hdpi/stat_sys_signal_3.png
	packages/SystemUI/res/drawable-hdpi/stat_sys_signal_3_fully.png
	packages/SystemUI/res/drawable-hdpi/stat_sys_signal_4.png
	packages/SystemUI/res/drawable-hdpi/stat_sys_signal_4_fully.png
	packages/SystemUI/res/drawable-hdpi/stat_sys_wifi_signal_1.png
	packages/SystemUI/res/drawable-hdpi/stat_sys_wifi_signal_1_fully.png
	packages/SystemUI/res/drawable-hdpi/stat_sys_wifi_signal_2.png
	packages/SystemUI/res/drawable-hdpi/stat_sys_wifi_signal_2_fully.png
	packages/SystemUI/res/drawable-hdpi/stat_sys_wifi_signal_3.png
	packages/SystemUI/res/drawable-hdpi/stat_sys_wifi_signal_3_fully.png
	packages/SystemUI/res/drawable-hdpi/stat_sys_wifi_signal_4.png
	packages/SystemUI/res/drawable-hdpi/stat_sys_wifi_signal_4_fully.png