[AIMIGRAPHX-840] support symbolic shape prop through conv and pool

[shivadbhavsar]

Motivation

Rewrite shape computation for convolution and pooling to work using dynamic dimension arithmetic using symbolic expressions. Works for both symbolic representation and pure range based representation.

Technical Details

Refer to section 7 in https://github.com/ROCm/AMDMIGraphX-internal/discussions/237

Changelog Category

Add a CHANGELOG.md entry for any option other than Not Applicable

• • Added: New functionality.
• • Changed: Changes to existing functionality.
• • Removed: Functionality or support that has been removed. (Compared to a previous release)
• • Optimized: Component performance that has been optimized or improved.
• • Resolved Issues: Known issues from a previous version that have been resolved.
• • Not Applicable: This PR is not to be included in the changelog.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

Additional details and impacted files

@@                  Coverage Diff                  @@
##           sym_shape_methods    #4704      +/-   ##
=====================================================
- Coverage              92.51%   92.48%   -0.03%     
=====================================================
  Files                    583      583              
  Lines                  29872    29640     -232     
=====================================================
- Hits                   27634    27410     -224     
+ Misses                  2238     2230       -8     

Files with missing lines	Coverage Δ
src/include/migraphx/op/convolution.hpp	96.59% <100.00%> (+1.85%)	⬆️
src/include/migraphx/op/pooling.hpp	93.79% <100.00%> (+0.26%)	⬆️

... and 14 files with indirect coverage changes

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