[IOT-2152][NS]Fix input value in sample.

[IOT-2152][NS]Fix input value in sample.

NS provider sample has same input value for 2 different menu item.
but there are for same functionality.
so, in this patch this is fixed as two different menu item became one.

Bug:https://jira.iotivity.org/browse/IOT-2152
Change-Id: I5d0b57addefc28e43ed09c57cc51bfa034cf92a4
Signed-off-by: KIM JungYong <jyong2.kim@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/19423
Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: Phil Coval <philippe.coval@osg.samsung.com>
Reviewed-by: Uze Choi <uzchoi@samsung.com>