Arm backend: [serializer-lib][0.80] Refactor to accomodate v1.0

[digantdesai]

Stack from ghstack (oldest at bottom):

• (to be filled)

move the directory to tosa_tools/v0.80

Differential Revision: D73642286

[pytorch-bot]

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❌ 3 New Failures

As of commit eccd5ee with merge base 1432243 ():

NEW FAILURES - The following jobs have failed:

• Check Labels / Check labels (gh)
  RuntimeError: Error checking labels: PR does not have required labels
• Propose to merge ghstack orig PRs to main / Try to create a PR with ghstack /orig branch (gh)
  Process completed with exit code 1.
• pull / unittest-arm / linux-job (gh)
  backends/arm/test/ops/test_hardsigmoid.py::TestHardsigmoid::test_hardsigmoid_tosa_BI_2_rand

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[zingo]

@digantdesai is this still needed?

[digantdesai]

Nope