[IOT-1388] fixed duplicate start server in EDR adapter.

[IOT-1388] fixed duplicate start server in EDR adapter.

when both mode(server and client) in App is set.
startDiscoveryServer and startListenningServer is calling.
and then both accept thread
and receive thread is running redundantly

Change-Id: I70395ace6115d52d28d2c034ea24c70aafeb671e
Signed-off-by: jihwan.seo <jihwan.seo@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/12799
Reviewed-by: Abhishek Sharma <ce.abhishek@samsung.com>
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Ashok Babu Channa <ashok.channa@samsung.com>
Signed-off-by: jihwan.seo <jihwan.seo@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/13065