[IOT-1185] Add OCResultToSuccess to ensure success.

[IOT-1185] Add OCResultToSuccess to ensure success.

If just check only OC_STACK_OK, it can cause problems.
Below value is success like OC_STACK_OK.
OC_STACK_RESOURCE_CREATED,
OC_STACK_RESOURCE_DELETED,
OC_STACK_CONTINUE.

BUG : https://jira.iotivity.org/browse/IOT-1185

Change-Id: I60b369138df00b98c4dbeb952ffba140aa902b27
Signed-off-by: Jaehong Jo <jaehong.jo@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/9217
Reviewed-by: Hyuna Jo <hyuna0213.jo@samsung.com>
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Randeep Singh <randeep.s@samsung.com>