QuickSettings : Add BatterySaver Tile (2/2)

Conflicts:
	res/values/liquid_strings.xml
	src/com/android/settings/liquid/quicksettings/QuickSettingsUtil.java

Conflicts:
	res/values/liquid_strings.xml
	src/com/android/settings/liquid/quicksettings/QuickSettingsUtil.java

Conflicts:
	res/values/ose_strings.xml
	src/com/android/settings/ose/quicksettings/QuickSettingsUtil.java