Made UnsafeUtilities internal (#1351)
Made UnsafeUtilities internal (#1351)


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