Add test for FetchContent of UMF on Linux and Windows#1384

ldorau wants to merge 1 commit intooneapi-src:mainoneapi-src/unified-memory-framework:mainfrom

ldorau:Test_FetchContent_of_UMF_on_Linux_and_Windowsldorau/unified-memory-framework:Test_FetchContent_of_UMF_on_Linux_and_WindowsCopy head branch name to clipboard