HdRenderIndex::Clean() does not call HdPrim::Finalize()

[magnusw]

Description of Issue

In HdRenderIndex::Clear(), it looks like DestroyRprim() is getting called without first calling HdRprim::Finalize(). In the other two places where DestroyRprim() is called, Finalize() does happen first.

Steps to Reproduce

See above

System Information (OS, Hardware)

Any.

Package Versions

19.11

Build Flags

Any.

[jilliene]

Filed as internal issue #USD-5704