onnxruntime

671fa603 - Enable direct tensorization and detensorization to many buffers in WinML (#5791)

Enable direct tensorization and detensorization to many buffers in WinML (#5791) * switch to work PC * back with iterable of buffers * add raw api tests * tensorization * last test * all tests pass! * small cleanup * whitespace * newline * whitespace * refactor common code into DisjointBufferHelpers * remove unused file * warning * skip gpu tests when hardware not available * Add error condition when createreference is invoked * add null check to cretereference * uncomment out check Co-authored-by: Sheil Kumar <sheilk@microsoft.com>