update bool value as string since jjb set bool with capital T
update bool value as string since jjb set bool with capital T

Change-Id: I3f6a980612b64930e2c04bdc6fc310e21b37aea6

redhat-openstack/rdo-infra,redhat-openstack/rdo-infra,rdo-infra/ci-config,redhat-openstack/rdo-infra,rdo-infra/ci-config,redhat-openstack/rdo-infra,rdo-infra/ci-config,rdo-infra/ci-config