[IOT-2036] Fix mediator sample app

[IOT-2036] Fix mediator sample app

In 1.2.1 secure port was common for all secure resources.
Update sample to use OCF 1.0 endpoint information.

Change-Id: I105f8097c69b15a89b7b799817e2887b575f2770
Signed-off-by: Dmitriy Zhuravlev <d.zhuravlev@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/19667
Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: Dave Thaler <dthaler@microsoft.com>
Reviewed-by: Kevin Kane <kkane@microsoft.com>
Reviewed-by: Uze Choi <uzchoi@samsung.com>
Reviewed-by: Randeep Singh <randeep.s@samsung.com>