Update Logic to manage Provider list.

Update Logic to manage Provider list.

- Add storage to store Provider List & Logic to manage Provider List
- Modify type of Message format in consumer to NSSyncType(delete existing type(NSConsumerMessageTypes))
- Modify way to sending syncInfo to use providerId
- Modify to set providerId when send acceptance response in Provider.

Change-Id: Id667403c70c88e6bce16bc92a3ec6605e36e9dc5
Signed-off-by: YounghyunJoo <yh_.joo@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/8799
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Uze Choi <uzchoi@samsung.com>