Transparent icons (ParanoidAndroid/john's)

Change-Id: I03b6148c9335a329cbbae83ae834a0f376012b24

Conflicts:
	packages/SystemUI/res/drawable-xhdpi/stat_sys_battery_0.png
	packages/SystemUI/res/drawable-xhdpi/stat_sys_battery_15.png
	packages/SystemUI/res/drawable-xhdpi/stat_sys_battery_28.png
	packages/SystemUI/res/drawable-xhdpi/stat_sys_battery_43.png
	packages/SystemUI/res/drawable-xhdpi/stat_sys_battery_57.png
	packages/SystemUI/res/drawable-xhdpi/stat_sys_battery_71.png
	packages/SystemUI/res/drawable-xhdpi/stat_sys_battery_85.png
	packages/SystemUI/res/drawable-xhdpi/stat_sys_battery_charge_anim0.png
	packages/SystemUI/res/drawable-xhdpi/stat_sys_battery_charge_anim15.png
	packages/SystemUI/res/drawable-xhdpi/stat_sys_battery_charge_anim28.png
	packages/SystemUI/res/drawable-xhdpi/stat_sys_battery_charge_anim43.png
	packages/SystemUI/res/drawable-xhdpi/stat_sys_battery_charge_anim57.png
	packages/SystemUI/res/drawable-xhdpi/stat_sys_battery_charge_anim71.png