[fx][ShapeProp] make shapes and args/kwargs concrete for minimizer

[alexbeloi]

Summary: As the title. Also adds debugging messaging to ShapeProp.run_node

Test Plan:
In Amodel

buck run mode/opt //caffe2/torch/fb/acc_runtime/dbg:debug_min_net -- --model 10x_ctr_mbl_feed_tp --model_path /home/$USER/309786571_1.fp32.predictor.tooling.tp

fails later than before

Reviewed By: yuhc

Differential Revision: D34930081

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💊 CI failures summary and remediations

As of commit 48e1b0e (more details on the Dr. CI page):

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✅ None of the CI failures appear to be your fault 💚

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• 1/1 broken upstream at merge base 85e163c on Apr 05 from 3:30pm to 8:33pm

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🚧 1 fixed upstream failure:

These were probably caused by upstream breakages that were already fixed.

Please rebase on the viable/strict branch (expand for instructions)

If your commit is older than viable/strict, run these commands:

git fetch https://github.com/pytorch/pytorch viable/strict
git rebase FETCH_HEAD

• pull / linux-xenial-py3.7-clang7-asan / test (default, 3, 3, linux.2xlarge) on Apr 05 from 3:30pm to 8:33pm (85e163c - b8a4708)
  • 🔁 rerun

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This pull request was exported from Phabricator. Differential Revision: D34930081

[github-actions]

Hey @alexbeloi.
You've committed this PR, but it does not have both a 'release notes: ...' and 'topics: ...' label. Please add one of each to the PR. The 'release notes: ...' label should represent the part of PyTorch that this PR changes (fx, autograd, distributed, etc) and the 'topics: ...' label should represent the kind of PR it is (not user facing, new feature, bug fix, perf improvement, etc). The list of valid labels can be found here for the 'release notes: ...' and here for the 'topics: ...'.
For changes that are 'topic: not user facing' there is no need for a release notes label.