[C++] Add mock/MockGlobalCapabilitiesDirectoryProxy.h to CMakeLists.txt
[C++] Add mock/MockGlobalCapabilitiesDirectoryProxy.h to CMakeLists.txt

bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr