RC: add signal text (2/2)

Conflicts:
	res/layout/fragment_statusbar_settings.xml
	res/values/strings.xml

Change-Id: I25ebe30f5bdc9c53b991f13d7ca302eb81c7b0cf
RC: Add option to hide signal bars

P2: Setup dependency

Conflicts:
	res/layout/fragment_statusbar_settings.xml
	res/values/strings.xml

Change-Id: I5cb14a25eacee16030ac58d4c41714ffd9983dd2