R4R: Gov validator power sdk.Int

[sunnya97]

closes #3457

• Targeted PR against correct branch (see CONTRIBUTING.md)

• Linked to github-issue with discussion and accepted design OR link to spec that describes this work.

• Wrote tests

• Updated relevant documentation (docs/)

• Added entries in PENDING.md with issue #

• rereviewed Files changed in the github PR explorer

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For Admin Use:

• Added appropriate labels to PR (ex. wip, ready-for-review, docs)
• Reviewers Assigned
• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)

[codecov]

Codecov Report

Merging #3496 into develop will increase coverage by <.01%.
The diff coverage is 100%.

@@             Coverage Diff             @@
##           develop    #3496      +/-   ##
===========================================
+ Coverage    52.97%   52.97%   +<.01%     
===========================================
  Files          137      137              
  Lines        10719    10746      +27     
===========================================
+ Hits          5678     5693      +15     
- Misses        4698     4703       +5     
- Partials       343      350       +7