Fixed C++ unit tests for connectivity abstraction integration

Fixed C++ unit tests for connectivity abstraction integration

Updated  C++ unit tests to reflect connectivity abstraction API changes.
Disabled tests that became irrelevant due to connectivity abstraction changes

Change-Id: Ic4d11c973592e27e4e17e26ab69b735c0e7c6d66
Signed-off-by: Yuliya Kamatkova <yuliya.kamatkova@intel.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/263
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Sudarshan Prasad <sudarshan.prasad@intel.com>
Reviewed-by: Sashi Penta <sashi.kumar.penta@intel.com>