csdk: Avoid to overlap memcheck files for UT

csdk: Avoid to overlap memcheck files for UT

From now on, it's better to align executable name

Relate-to:
https://gerrit.iotivity.org/gerrit/17373

Bug: https://jira.iotivity.org/browse/IOT-1745
Change-Id: I8c8fd9ee68b01dfcc62d8a250c26649a82ba116e
Signed-off-by: Philippe Coval <philippe.coval@osg.samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/22029
Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: George Nash <george.nash@intel.com>
Reviewed-by: Alex Kelley <alexke@microsoft.com>
Reviewed-by: Mats Wichmann <mats@linux.com>
(cherry picked from commit 52da664568c4071151dfb6bcf506163ebaba2957)