* Switch to PartialShape in onnx_importer ValueInfo

* Construct dynamic dimensions out of ONNX dimensions defined as dim_param

* Validate the PartialShape of inputs created from an ONNX model with dynamic shapes

* Validate the output shape inference for a dynamic ONNX model

* Test the execution of an ONNX model with dynamic dimensions

* Test the Ax+B with more than one batch size

* Provenance tagging adjustments - PartialShape instead of Shape

* Correct translation of ONNX shapes to nG shapes

* Test the shape of Constant produced by scalar initializers

* Review comments & more strict assertions in UT

* UT checking a dynamic rank input

* Fully dynamic input inference test

* first dynamic version

* modified UTs

* Added assert checks

* Added specialised methods

* first verion of AvgPool

* code review remarks introduced

* Changed tests to use default BackendMode value

* Reverted not related changes

* first verion of AvgPool

code review remarks introduced

Changed tests to use default BackendMode value

* first version of maxpool

* Changed PoolingFactory to support dynamic shapes

* fixed Pad op

* Added Uts to global ops

* Code review remarks introduced

* code review remarks introduced

* Code refactor

* Code review remarks introduced
Co-authored-by: Tomasz Dołbniak <tomasz.dolbniak@intel.com>
Co-authored-by: Sang Ik Lee <sang.ik.lee@intel.com>

* Handle models in prototxt format.
Signed-off-by: Adam Rogowiec <adam.rogowiec@intel.com>

* Convert Onnx models to text format.

* Tool for conversion between protobuf ONNX models in binary and text format.
Signed-off-by: Adam Rogowiec <adam.rogowiec@intel.com>

* Update ONNX test models text format.

* Convert ONNX LSTM model to text format.

* Rename and make second argument optional.

* Unify models metadata.

* Remove onnx binary models.

* Review: fix comments.

* Fix not yet updated models extension in UTs.

* Add UT with binary protobuf models.

* Clang format.

* Remove failing UT in prototxt since it has problems with CI.

* Inhibit logging protobuf errors.

* Revert "Remove failing UT in prototxt since it has problems with CI."

This reverts commit 94741a8c4594f3cc2ebdca428fa40b94a79240c2.

* Remove LogSilencer from onnx importer api and remove respective UT.

* Conversion script updates