Settings: Network speed indicator (2/2)

Originally Authored by : htchoi1995

- Default OFF

	modified:   res/values/pa_strings.xml
	modified:   res/xml/tool_bar_settings.xml
	modified:   src/com/android/settings/paranoid/Toolbar.java

Change-Id: I0d7aa932ca47f969d2e64416dda41eab99f5aeda