Serialize PTD files with named data (#10359)

This PR was created by the merge bot to help merge the original PR into
the main branch.
ghstack PR number: https://github.com/pytorch/executorch/pull/10327 by
@lucylq
^ Please use this as the source of truth for the PR details, comments,
and reviews
ghstack PR base:
https://github.com/pytorch/executorch/tree/gh/lucylq/62/base
ghstack PR head:
https://github.com/pytorch/executorch/tree/gh/lucylq/62/head
Merge bot PR base:
https://github.com/pytorch/executorch/tree/gh/lucylq/61/orig
Merge bot PR head:
https://github.com/pytorch/executorch/tree/gh/lucylq/62/orig
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