Halo master switch (2/2)

This commit remove halo button from status bar expanded and add a new option into halo settings allowing the user to enable or disable it using a checkbox

Conflicts:
	res/values/cr_strings.xml
	res/xml/halo_settings.xml

Change-Id: I408f1295c525389f0a99c915297657ef3284d84c

Conflicts:
	res/values/spirit_strings.xml
	res/xml/halo_settings.xml
Remove CM stats