Modify to call of provider state callback.

Modify to call of provider state callback.

When incomming the subscription result,
consumer service callback to upper layer every result message
although some of message was duplicated.

Provider state callback is fixed for call once as provider state(allow/deny) changed.

Change-Id: I5a8094092b33e569716475aa60b574ee5eb0e913
Signed-off-by: KIM JungYong <jyong2.kim@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/11325
Reviewed-by: Uze Choi <uzchoi@samsung.com>
Tested-by: Uze Choi <uzchoi@samsung.com>