Add benchmarks for TensorPrimitives

[ericstj]

• Initial test project and tests covering signed integer APIs Add TensorPrimitives benchmarks. performance#3922
• Extend benchmark coverage to the rest of the TP APIs.

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Issue Details

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Author:	ericstj
Assignees:	eiriktsarpalis
Labels:	area-System.Numerics.Tensors, tenet-performance-benchmarks, test-enhancement, Priority:1
Milestone:	9.0.0

[eiriktsarpalis]

Resolved by dotnet/performance#3922