Fix for issue of Tizen TM sample not working

Fix for issue of Tizen TM sample not working

Modified the code for selecting OC_WIFI connectivity for android and tizen
and selecting OC_ETHERNET for other platforms.

Change-Id: I8533f43690d9cd80d85b17a4e8e384406308e67e
Signed-off-by: Harish Kumara Marappa <h.marappa@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/829
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Madan Lanka <lanka.madan@samsung.com>
Reviewed-by: HyunJun Kim <hyunjun2.kim@samsung.com>
Reviewed-by: Uze Choi <uzchoi@samsung.com>