And prepare HLOCAL allocation to use it.
-- v2: kernelbase: Use RtlSetUserValueHeap to store HLOCAL. ntdll: Implement RtlSetUserValueHeap. kernelbase: Use HEAP_ADD_USER_INFO for HLOCAL allocations. ntdll: Add block padding when HEAP_ADD_USER_INFO flag is set. ole32/tests: Update IStream_SetSize with large size test result.