implementation of time sync and unit testing

PR Details

Description

The implementation of InfrastructureTimeInterface class, which includes encoding time message and updating to registered instances. Unit testing for InfrastructureTimeInterface

Motivation and Context

How Has This Been Tested?

Types of changes

[ ] Defect fix (non-breaking change that fixes an issue)
[x] New feature (non-breaking change that adds functionality)
[ ] Breaking change (fix or feature that cause existing functionality to change)

Checklist:

[ ] I have added any new packages to the sonar-scanner.properties file
[ ] My change requires a change to the documentation.
[ ] I have updated the documentation accordingly.
[ ] I have read the CONTRIBUTING document. CARMA Contributing Guide
[ ] I have added tests to cover my changes.
[ ] All new and existing tests passed.

usdot-fhwa-stol / cdasim