[2/2] OmniGears: Navigation bar height/width

All credits to SlimRoms / kufikugel

Change-Id: If65675b0a2657250860d52cdcd927ec886ee0f06

Conflicts:
	res/values/custom_strings.xml
[2/2] OmniGears: Add back navigation bar customization

Change-Id: I4321a8337627f770e20a28361f2b1e6f2958e936