[IOT-2136] OCCloudAclFindMyGroup: Member ID mandatory param

OCCloudAclFindMyGroup returns OC_STACK_INVALID param when Member ID is NULL

Change-Id: I5b3834b2b7dc7b2a479c2363f0423347a8b6c12f
Signed-off-by: Oleksandr Dmytrenko <o.dmytrenko@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/19715Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: Andrii Shtompel <a.shtompel@samsung.com>
Reviewed-by: Randeep Singh <randeep.s@samsung.com>

resource/csdk/security/provisioning/include/cloud/occloudprovisioning.h

@@ -242,7 +242,7 @@ OCStackResult OCCloudAclCreateGroup(void* ctx,
  * ACL get group request function
  *
  * @param[in] ctx               user-defined context
- * @param[in] memberId          mandatory parameter member id
+ * @param[in] memberId          member id
  * @param[in] endPoint          cloud host and port
  * @param[in] callback          optional result callback, can be NULL if not required
  * @return  OCStackResult application result