PNG optimization

using PNG crush to optimize png sizes

Signed-off-by: Andre Saddler <dresadd09691@gmail.com>

Conflicts:
	packages/SystemUI/res/drawable-hdpi/ic_notify_edit_normal.png
	packages/SystemUI/res/drawable-hdpi/ic_notify_edit_save.png
	packages/SystemUI/res/drawable-hdpi/ic_qs_immersive_off.png
	packages/SystemUI/res/drawable-hdpi/ic_sysbar_recent_land.png
	packages/SystemUI/res/drawable-mdpi/ic_notify_edit_normal.png
	packages/SystemUI/res/drawable-mdpi/ic_notify_edit_save.png
	packages/SystemUI/res/drawable-mdpi/ic_qs_immersive_off.png
	packages/SystemUI/res/drawable-mdpi/ic_sysbar_recent_land.png
	packages/SystemUI/res/drawable-xhdpi/ic_notify_edit_normal.png
	packages/SystemUI/res/drawable-xhdpi/ic_notify_edit_save.png
	packages/SystemUI/res/drawable-xhdpi/ic_qs_immersive_off.png
	packages/SystemUI/res/drawable-xhdpi/ic_sysbar_recent_clear.png
	packages/SystemUI/res/drawable-xhdpi/ic_sysbar_recent_clear_land.png
	packages/SystemUI/res/drawable-xxhdpi/ic_notify_edit_normal.png
	packages/SystemUI/res/drawable-xxhdpi/ic_notify_edit_save.png
	packages/SystemUI/res/drawable-xxhdpi/ic_qs_immersive_off.png