log-parser: move the kata-log-parser from the tests repo

to the kata-containers repo under the src/tools/log-parser folder
and vendor the modules

Fixes: #4100
Signed-off-by: Snir Sheriber <ssheribe@redhat.com>

src/tools/log-parser/display_json.go

@@ -0,0 +1,23 @@
+//
+// Copyright (c) 2018 Intel Corporation
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+package main
+
+import (
+	"encoding/json"
+	"os"
+)
+
+type displayJSON struct {
+}
+
+func (d *displayJSON) Display(entries *LogEntries, fieldNames []string, file *os.File) error {
+	encoder := json.NewEncoder(file)
+
+	encoder.SetIndent(displayPrefix, displayIndentValue)
+
+	return encoder.Encode(entries)
+}