6-bar signal icon sytle [2/2]

Change-Id: I6a48f77e831b9f48c46c0d73dc1a669c552996a7

Conflicts:
	res/values/custom_strings.xml
	res/xml/misc_tweaks.xml
	src/com/android/settings/du/MiscTweaks.java

Conflicts:
	res/values/spirit_strings.xml