Lw grg lyr file updates for issue 359

[topowright-zz]

Description

Updated the lyr and lyrx files for the GRG tools #359

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [ ] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have read the CONTRIBUTING document.

[topowright-zz]

We are going to have to get Paul to build the conda package in order to get this tested.

[dfoll]

@topowright @lfunkhouser should be be using a newer CIM version for these? Does it matter?