Add Cloud interface consumer sample example code

Add Cloud interface consumer sample example code

- modify sample example code to support cloud interface
- modify example SConscript to build with cloud interface when get WITH_TCP & WITH_CLOUD environment

Change-Id: If9ab0a30672d4a09e63169ef3d146af6cb26670a
Signed-off-by: YounghyunJoo <yh_.joo@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/9413
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Uze Choi <uzchoi@samsung.com>
Tested-by: Uze Choi <uzchoi@samsung.com>