Added sample/test showing how to implement auto-disposable owned memory
Added sample/test showing how to implement auto-disposable owned memory

joshfree/corefxlab,VSadov/corefxlab,weshaggard/corefxlab,Vedin/corefxlab,stephentoub/corefxlab,KrzysztofCwalina/corefxlab,Vedin/corefxlab,Vedin/corefxlab,ericstj/corefxlab,VSadov/corefxlab,tarekgh/corefxlab,ericstj/corefxlab,KrzysztofCwalina/corefxlab,whoisj/corefxlab,hanblee/corefxlab,dotnet/corefxlab,benaadams/corefxlab,adamsitnik/corefxlab,VSadov/corefxlab,stephentoub/corefxlab,VSadov/corefxlab,alexperovich/corefxlab,joshfree/corefxlab,stephentoub/corefxlab,ahsonkhan/corefxlab,Vedin/corefxlab,stephentoub/corefxlab,VSadov/corefxlab,hanblee/corefxlab,dotnet/corefxlab,ahsonkhan/corefxlab,ericstj/corefxlab,stephentoub/corefxlab,adamsitnik/corefxlab,Vedin/corefxlab,VSadov/corefxlab,ericstj/corefxlab,ericstj/corefxlab,whoisj/corefxlab,Vedin/corefxlab,stephentoub/corefxlab,tarekgh/corefxlab,ericstj/corefxlab,benaadams/corefxlab