Add manifest outputs that split v1 and experimental

[learner0810]

What type of PR is this?

/kind feature

What this PR does / why we need it:

Add manifest outputs that split v1 and experimental

Which issue(s) this PR fixes:

Fixes # #1611

Does this PR introduce a user-facing change?:

[k8s-ci-robot]

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[learner0810]

cc @liu-cong @nirrozenbaum PTAL

[kfswain]

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kfswain, learner0810

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• OWNERS [kfswain]

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[learner0810]

cc @liu-cong @danehans PTAL

[nirrozenbaum]

/lgtm

Thanks!