Matrix sample from VTune install package

[jenniferdimatteo]

Adding a New Sample(s)

Description

This is the matrix sample included with the VTune product package. Minor changes have been made to the sample to support the oneAPI repo workflow, but otherwise it is the same. Any further improvements should also be included in the source shipped with VTune.

Checklist

Administrative

• Review sample design with the appropriate Domain Expert: This sample already exists in the VTune product package.
• If you have any new dependencies/binaries, inform the oneAPI Code Samples Project Manager

Code Development

• Implement coding guidelines and ensure code quality. see wiki for details Note - this code was written several years ago and may require changes to conform to new guidelines.
• Adhere to readme template
• Enforce format via clang-format config file N/A
• Adhere to sample.json specification. https://github.com/oneapi-src/oneAPI-samples/wiki/sample-json-specification
• Ensure/create CI test configurations for sample (ciTests field) https://github.com/oneapi-src/oneAPI-samples/wiki/sample-json-ci-test-object
• Run jsonlint on sample.json to verify json syntax. www.jsonlint.com

Security and Legal

• OSPDT Approval (see Project Manager for assistance)
• Compile using the following compiler flags and fix any warnings, the falgs are: "/Wall -Wformat-security -Werror=format-security"
• Bandit Scans (Python only)
• Virus scan

Review

• Review DPC++ code with Paul Peterseon. (GitHub User: pmpeter1)
• Review readme with Tom Lenth(@tomlenth) and/or Project Manager
• Tested using Dev Cloud when applicable