Fix for jira IOT-1042.

Fix for jira IOT-1042.

Resolving the issue of incorrectly shown allowed values in
"Modify Array Attribute Value" UI dialog of Service Provider Plug-in.

Change-Id: Ie652d5bc1185f51d2c52a55b72ded68e38c32664
Signed-off-by: G S Senthil Kumar <senthil.gs@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/6227
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Madan Lanka <lanka.madan@samsung.com>
(cherry picked from commit d2d8a8af2478b16bb85b9e56234adfdbace188b3)
Reviewed-on: https://gerrit.iotivity.org/gerrit/7695
Reviewed-by: Uze Choi <uzchoi@samsung.com>