Fix unit test of notification service.

Fix unit test of notification service.

Unit test of notification service sometimes failures due to time delay.
In this patch, network related procedure(including multicast discovery)
was removed on the c layer of notification service.

Patch #2
Resolve build error in previous unittest.

Patch #3
Apply changes about changed CA interface APIs.
Remove checking resource type on the Presence callback.

Change-Id: Ifa46c346fa6236266dc2a73a2f8d948c57d2f736
Signed-off-by: KIM JungYong <jyong2.kim@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/17397
Reviewed-by: Uze Choi <uzchoi@samsung.com>
Tested-by: Uze Choi <uzchoi@samsung.com>