tizen: deploy gtest file to be included by unittests
tizen: deploy gtest file to be included by unittests

Note, currently unit testing is not done on Tizen,
but only on GNU/Linux and Darwin (OSX).

Change-Id: Ifaf020bdf23fba3f0922f38f260e81b7481930dc
Signed-off-by: Philippe Coval <ff46fec9739d31cce915aabcc3a7a2c00eee4d6c@osg.samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/8543
Tested-by: jenkins-iotivity <09cb29e8a2b473a2c978382eec13ee06fa017bda@opendaylight.org>
Reviewed-by: Trevor Bramwell <9318f446584e3f6cf68dea37a1a9fde63cb30ce1@linuxfoundation.org>
Reviewed-by: Ziran Sun <3baa2a3e3c6d96dba4b6f1736d53815847db9a07@samsung.com>

rzr/iotivity,rzr/iotivity,iotivity/iotivity,iotivity/iotivity,rzr/iotivity,rzr/iotivity,iotivity/iotivity,iotivity/iotivity,iotivity/iotivity,iotivity/iotivity,iotivity/iotivity,rzr/iotivity,rzr/iotivity,rzr/iotivity,iotivity/iotivity