Merge pull request #62881 from juanvallejo/jvallejo/wire-print-flags-get-cmd

Automatic merge from submit-queue (batch tested with PRs 61601, 62881, 63159). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

wire print flags through get.go

**Release note**:
```release-note
NONE
```

Adds the PrintFlags pattern to `get.go`.
Prerequisite to ongoing server-side printing work.

cc @soltysh @deads2k

hack/make-rules/test-cmd-util.sh

@@ -227,7 +227,7 @@ function wait-for-pods-with-label()
 {
   local i
   for i in $(seq 1 10); do
-    kubeout=`kubectl get po -l $1 --template '{{range.items}}{{.metadata.name}}{{end}}' --sort-by metadata.name "${kube_flags[@]}"`
+    kubeout=`kubectl get po -l $1 --output=go-template --template='{{range.items}}{{.metadata.name}}{{end}}' --sort-by metadata.name "${kube_flags[@]}"`
     if [[ $kubeout = $2 ]]; then
         return
     fi