Adjust bound_shape_inferencer to take 4 inputs for FCs

[csummersea]

Summary: The model exported from online training workflow with int8 quantization contains FCs with 4 inputs. The extra input is the quant_param blob. This diff is to adjust the bound_shape_inferencer to get shape info for the quant_param input.

Test Plan:

buck test caffe2/caffe2/opt:bound_shape_inference_test

Differential Revision: D22543215

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D22543215

[dr-ci]

💊 CI failures summary and remediations

As of commit ad33f76 (more details on the Dr. CI page):

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• 2/2 failures possibly* introduced in this PR
  • 1/2 non-CircleCI failure(s)

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🕵️ 1 new failure recognized by patterns

The following CI failures do not appear to be due to upstream breakages:

pytorch_windows_vs2019_py36_cuda10.1_test1 (1/1)

Step: "Test" (full log | diagnosis details | 🔁 rerun)

[ FAILED ] BoundShapeInference.FC

[ RUN      ] BoundShapeInference.Tile 
[       OK ] BoundShapeInference.Tile (0 ms) 
[ RUN      ] BoundShapeInference.Combo0 
[       OK ] BoundShapeInference.Combo0 (0 ms) 
[----------] 16 tests from BoundShapeInference (319 ms total) 
 
[----------] Global test environment tear-down 
[==========] 16 tests from 1 test case ran. (319 ms total) 
[  PASSED  ] 15 tests. 
[  FAILED  ] 1 test, listed below: 
[  FAILED  ] BoundShapeInference.FC 
 
 1 FAILED TEST 
  YOU HAVE 1 DISABLED TEST 
 
"bound_shape_inference_test" failed with exit code 1 
+ cleanup
+ retcode=1
+ set +x

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ci.pytorch.org: 1 failed

• Failed: pr/pytorch-linux-xenial-rocm3.5.1-py3.6

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This comment has been revised 2 times.

[facebook-github-bot]

This pull request has been merged in 86a2bdc.

[mrshenli]

This PR breaks BoundShapeInference.Reshape and BoundShapeInference.FC tests on master. Reverting.

https://app.circleci.com/pipelines/github/pytorch/pytorch/190769/workflows/aaab50d9-0c75-4ba5-b9b4-0c271daa5ee5/jobs/6245240/steps
https://app.circleci.com/pipelines/github/pytorch/pytorch/190769/workflows/aaab50d9-0c75-4ba5-b9b4-0c271daa5ee5/jobs/6245270/steps
https://app.circleci.com/pipelines/github/pytorch/pytorch/190769/workflows/aaab50d9-0c75-4ba5-b9b4-0c271daa5ee5/jobs/6245246/steps