[2/2] Settings: Network speed indicator

Omni change id: I479b86e4316e87eb4c1c78e0a63dafd7c9e249d1

Fixed errors.

Translations added: English, Russian, Italian, French.

Change-Id: Ia99285382f401f3901ff94191be07e3dfe0d7d7d

Conflicts:
	res/values-fr/slim_strings.xml
	res/values-it/slim_strings.xml
	res/values-ru/slim_strings.xml
	res/values/slim_strings.xml