Eventing conversion v1 <> v1beta1

[aliok]

Part of #3337

Proposed Changes

• Conversion from/to v1 <--> v1beta1 types
• v1->v1beta1->v1 and v1beta1->v1->v1beta1 tests

[mattmoor]

Produced via:
gofmt -s -w $(find -path './vendor' -prune -o -path './third_party' -prune -o -type f -name '*.go' -print)
goimports -w $(find -name '*.go' | grep -v vendor | grep -v third_party | grep -v wire_gen.go)

[mattmoor]

Produced via:
gofmt -s -w $(find -path './vendor' -prune -o -path './third_party' -prune -o -type f -name '*.go' -print)
goimports -w $(find -name '*.go' | grep -v vendor | grep -v third_party | grep -v wire_gen.go)

[aliok]

/assign @vaikas
/hold

Let's hold this one until @vaikas reviews it as we're working on this together

[mattmoor]

Produced via:
gofmt -s -w $(find -path './vendor' -prune -o -path './third_party' -prune -o -type f -name '*.go' -print)
goimports -w $(find -name '*.go' | grep -v vendor | grep -v third_party | grep -v wire_gen.go)

[knative-metrics-robot]

The following is the coverage report on the affected files.
Say /test pull-knative-eventing-go-coverage to re-run this coverage report

File	Old Coverage	New Coverage	Delta
pkg/apis/eventing/v1beta1/broker_conversion.go	77.8%	90.9%	13.1
pkg/apis/eventing/v1beta1/trigger_conversion.go	72.7%	100.0%	27.3

[aliok]

/retest

[vaikas]

/lgtm
/approve

[knative-prow-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aliok, vaikas

The full list of commands accepted by this bot can be found here.

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Details

Needs approval from an approver in each of these files:

• OWNERS [vaikas]

Approvers can indicate their approval by writing /approve in a comment
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[pierDipi]

/unhold