[WIP][PTQ][Torch] Save and load quantization transformation

[daniil-lyakhov]

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[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 145 lines in your changes are missing coverage. Please review.

Project coverage is 29.88%. Comparing base (a95e9af) to head (c2242b1). Report is 15 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff              @@
##           develop    #2531       +/-   ##
============================================
- Coverage    91.20%   29.88%   -61.32%     
============================================
  Files          493      495        +2     
  Lines        45519    45961      +442     
============================================
- Hits         41514    13734    -27780     
- Misses        4005    32227    +28222     

Files	Coverage Δ
...f/quantization/algorithms/min_max/torch_backend.py	0.00% <0.00%> (-97.52%)	:arrow_down:
nncf/torch/quantization/layers.py	0.00% <0.00%> (-95.86%)	:arrow_down:
nncf/torch/sparsity/layers.py	0.00% <0.00%> (-100.00%)	:arrow_down:
nncf/torch/layer_utils.py	0.00% <0.00%> (-96.93%)	:arrow_down:
nncf/torch/pruning/filter_pruning/layers.py	0.00% <0.00%> (-100.00%)	:arrow_down:
nncf/torch/sparsity/rb/layers.py	0.00% <0.00%> (-97.44%)	:arrow_down:
...ntization/algorithms/smooth_quant/torch_backend.py	0.00% <0.00%> (-95.00%)	:arrow_down:
nncf/torch/graph/transformations/serialization.py	0.00% <0.00%> (ø)

... and 323 files with indirect coverage changes

Flag	Coverage Δ
COMMON	?
ONNX	?
OPENVINO	?
TENSORFLOW	29.88% <0.00%> (-0.16%)	:arrow_down:
TORCH	?

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Components	Coverage Δ
common	76.35% <ø> (-17.41%)	:arrow_down:
torch	0.01% <0.00%> (-93.61%)	:arrow_down:
tensorflow	93.74% <ø> (ø)
onnx	0.00% <ø> (-93.07%)	:arrow_down:
openvino	0.00% <ø> (-94.19%)	:arrow_down:
ptq	15.20% <0.00%> (-74.87%)	:arrow_down: