RC: add nav bar config

Change-Id: I878faba4c7d769550b10abf2cacadce2c51ad140
Signed-off-by: Roman Birg <romanbirg@gmail.com>

Conflicts:
	AndroidManifest.xml
	res/values-fr/cm_plurals.xml
	res/values/pac_arrays.xml
	res/values/pac_strings.xml
	res/xml/system_ui_settings.xml