Replace Active Display Icons

MDPI -> HDPI - HDPI -> XHDPI...
Signed-off-by: aways <aways@c-rom.biz>

Signed-off-by: scott <scott@ubuntu.com>

Conflicts:
	packages/SystemUI/res/drawable-hdpi/ic_ad_dismiss_notification_activated.png
	packages/SystemUI/res/drawable-hdpi/ic_ad_dismiss_notification_normal.png
	packages/SystemUI/res/drawable-hdpi/ic_ad_morenotifications.png
	packages/SystemUI/res/drawable-hdpi/ic_handle_notification_normal.png
	packages/SystemUI/res/drawable-xhdpi/ic_ad_dismiss_notification_activated.png
	packages/SystemUI/res/drawable-xhdpi/ic_ad_dismiss_notification_normal.png
	packages/SystemUI/res/drawable-xhdpi/ic_ad_morenotifications.png
	packages/SystemUI/res/drawable-xhdpi/ic_handle_notification_normal.png

Change-Id: Ib05001f3c2dd22e8251b06e60d9cd19d4cb64d66