Skip handle_r_to_c for dot & vdot (#52474)
Summary:
Fixes https://github.com/pytorch/pytorch/issues/52455.
**Summary:**
`dot` & `vdot` operate on tensors of the same `dtype`, so skip `handle_r_to_c` for them.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/52474
Reviewed By: bdhirsh
Differential Revision: D26570931
Pulled By: anjali411
fbshipit-source-id: 07c6c50e3550e521d1807c519154b028d9168de7
