[Pytorch Mobile] Combing instructions and debug hanles in single struct (#62418)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/62418
Debug handles have one to one correspondence with instruction, so just
combine them in one.
Test Plan:
CI
Imported from OSS
Reviewed By: raziel
Differential Revision: D29993661
fbshipit-source-id: 125c7163174cf66624dd95f110fdc8208fea8a07
