Enable verify-import-boss check for e2e framework
Enable verify-import-boss check for e2e framework

Due to lack of the line "test/e2e/framework/" in import-boss/main.go
verify-import-boss didn't work for e2e framework.
This makes the check enabled by adding the line.
In addition, this adds some e2e sub framework packages and some
k8s.io/utils packages which were implemented after creating
.import-restrictions to pass the check.

Kubernetes-commit: 30de5bdc4606f4f6ab53a8efcb727bb7a2626982

kubernetes/code-generator,kubernetes/code-generator