Fix for patchset 15853

Fix for patchset 15853

Fixed OTM error caused by patchset 15853.
Added close notify alert sending to DeletePeerList()

Change-Id: Ib5363f8d16358a388df0f003e9111f1d56ccca62
Signed-off-by: Oleksii Beketov <ol.beketov@samsung.com>
Signed-off-by: Dmitriy Zhuravlev <d.zhuravlev@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/16001
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Chul Lee <chuls.lee@samsung.com>
Reviewed-by: Jongsung Lee <js126.lee@samsung.com>
Reviewed-by: Randeep Singh <randeep.s@samsung.com>
(cherry picked from commit 085d7a8af264f8731ee11014f711d9f39b678376)
Reviewed-on: https://gerrit.iotivity.org/gerrit/16413
Tested-by: jenkins-iotivity <jenkins@iotivity.org>