Resolved security issue-IOT1003 & IOT1013

Resolved security issue-IOT1003 & IOT1013

https://jira.iotivity.org/browse/IOT-1013
[PM C]OCProvisionPairwiseDevices returns OC_STACK_OK instead of
OC_STACK_INVALID_PARAM for provisioning same device

https://jira.iotivity.org/browse/IOT-1003
[PM C] APIs returns OC_STACK_INVALID_PARAM instead of
 OC_STACK_INVALID_CALLBACK while CB = NULL

-Patch 1: Resolved security Issue on 1.1-RC1
-Patch 2: Apply MR.Cho's review comment

Change-Id: I1a2d0265e756da41cffbcc60042e4f35de2dbcf5
Signed-off-by: js126.lee <js126.lee@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/6219
Reviewed-by: Kyungsun Cho <goodsun.cho@samsung.com>
Reviewed-by: Yonggoo Kang <ygace.kang@samsung.com>
Reviewed-by: Chul Lee <chuls.lee@samsung.com>
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Randeep Singh <randeep.s@samsung.com>