Add ESMF managed threading code

[junwang-noaa]

Pull Request Summary

This PR make the SetVM public which is required to enable ESMF managed threading

Description

Issue(s) addressed

fixes ufs-community/ufs-weather-model#824

Commit Message

Check list

• Branch is up to date with the authoritative repository (NOAA-EMC) develop branch.
• Checked the checklist for a developer submitting to develop.
• If a version number update is required, checked the updating version number checklist.
• If a new feature was added, a regression test for testing the new feature is added.

Testing

• How were these changes tested?
  The code change is tested in ufs-weather-model on hera
• Are the changes covered by regression tests? (If not, why? Do new tests need to be added?)
  A future test will be added, at this time, it is just to enable the ESMF managed threading development
• Have the matrix regression tests been run (if yes, please note HPC and compiler)?
• Please provide the summary output of matrix.comp (matrix.Diff.txt, matrixCompFull.txt and matrixCompSummary.txt):
• Please indicate the expected changes in the regression test output (Note the known list of non-identical tests).
• Please provide the summary output of matrix.comp (matrix.Diff.txt, matrixCompFull.txt and matrixCompSummary.txt):

[aliabdolali]

The ufs-weather-model regtests have been successful on hera with the WW3/ufs-weather-model with these changes.
WW3 standalone regtests ran successfully and a PR is made to the develop branch #589