Verified this bug with openshift v3.7.0-0.143.1 + openshift-ansible-3.7.0-0.143.1.git.0.89248df.el7.noarch, and PASS.
# oc describe po apiserver-glk9l
No osm_default_node_seletor is appended to api server pod's Node-Selectors, so deployment is completed successfully.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.