Fixes selinux Horizon Bug

Commit ID: ebeda3c6eecd18abc0af6429144e212034ab7dea introduced
a boolean set for selinux.  The condition did not properly
evaluate the selinux system fact.  The condition now evaluates the
selinux fact and the selinux string.

Change-Id: Ic58726276ca2163823c58feb26fb07644af9685d