Wine incorrectly inserts a sample copier. D3D awareness is handled per node, and each node will have their own sample allocator created from the D3D device manager provided by the session.
-- v6: mf/tests: Test device manager handling in the topology loader. mf/tests: Test D3D awareness handling in the topology loader. mf/tests: Split topology loader tests to a new file. mf/tests: Fix printf format warning. include: Add MFTOPOLOGY_DXVA_MODE enum definition.