Support Loading ONNX model using GPU

[tarekgh]

No description provided.

[tarekgh]

@michaelgsharp could you please have a look?

[codecov]

Codecov Report

Merging #6143 (6ecdb17) into main (7fba700) will increase coverage by 0.05%.
The diff coverage is 85.96%.

@@            Coverage Diff             @@
##             main    #6143      +/-   ##
==========================================
+ Coverage   68.25%   68.30%   +0.05%     
==========================================
  Files        1095     1095              
  Lines      241706   241748      +42     
  Branches    25152    25154       +2     
==========================================
+ Hits       164967   165134     +167     
+ Misses      70170    70061     -109     
+ Partials     6569     6553      -16     

Flag	Coverage Δ
Debug	68.30% <85.96%> (+0.05%)	⬆️
production	62.81% <86.79%> (+0.07%)	⬆️
test	88.76% <75.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/Microsoft.ML.Core/Data/IHostEnvironment.cs	97.56% <ø> (ø)
src/Microsoft.ML.Data/MLContext.cs	86.95% <50.00%> (-3.52%)	⬇️
test/Microsoft.ML.TestFramework/GlobalBase.cs	33.33% <50.00%> (+0.98%)	⬆️
src/Microsoft.ML.OnnxTransformer/OnnxCatalog.cs	88.63% <88.37%> (-11.37%)	⬇️
src/Microsoft.ML.OnnxTransformer/OnnxTransform.cs	91.04% <100.00%> (+0.11%)	⬆️
...osoft.ML.OnnxTransformerTest/OnnxTransformTests.cs	95.54% <100.00%> (+0.01%)	⬆️
src/Microsoft.ML.Maml/MAML.cs	25.38% <0.00%> (-1.53%)	⬇️
src/Microsoft.ML.Transforms/Text/LdaTransform.cs	88.29% <0.00%> (-0.15%)	⬇️
...ML.Transforms/Text/StopWordsRemovingTransformer.cs	86.38% <0.00%> (+0.14%)	⬆️
...StandardTrainers/Standard/LinearModelParameters.cs	66.07% <0.00%> (+0.25%)	⬆️
... and 7 more

[michaelgsharp]