Dynamic generate hwintrinsic tests (#79552)

Dynamic generate hwintrinsic tests (#79552)

* Changing the Arm hardware intrinsic tests to be dynamically generated

* Changing the General hardware intrinsic tests to be dynamically generated

* Changing the X86 hardware intrinsic tests to be dynamically generated

* Minor additional cleanup of the hwintrinsic generation files

* Ignore a warning about SelfContained mismatch on an unreferenced project

* Ensure the GenerateHWIntrinsicsTests projects are restored for Mono builds

* UseAppHost=true for GenerateHWIntrinsicTests

* Workaround the issue with parallel builds

* Fixing the VectorDotTest template to correctly compute the sum