cvetriager: update on copyright header

Updated the copyright header for every file it was missing in.

BUG=chromium:1093363
TEST=python setup.py test

Change-Id: I11b1c458f47ed00c78769d5403d8d0b96bddeb02
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/2283263
Reviewed-by: Zubin Mithra <zsm@chromium.org>
Commit-Queue: Wanda Mora <morawand@chromium.org>
Tested-by: Wanda Mora <morawand@chromium.org>
diff --git a/contrib/cvetriager/cvelib/clgenerator.py b/contrib/cvetriager/cvelib/clgenerator.py
index bd57ab4..2f1d814 100644
--- a/contrib/cvetriager/cvelib/clgenerator.py
+++ b/contrib/cvetriager/cvelib/clgenerator.py
@@ -1,4 +1,6 @@
-# -*-coding: utf-8 -*-
+# Copyright 2020 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
 
 """Module that generates CL for cherry-picked commit."""
 
diff --git a/contrib/cvetriager/cvelib/common.py b/contrib/cvetriager/cvelib/common.py
index 03470b6..2df320d 100644
--- a/contrib/cvetriager/cvelib/common.py
+++ b/contrib/cvetriager/cvelib/common.py
@@ -1,4 +1,6 @@
-# -*-coding: utf-8 -*-
+# Copyright 2020 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
 
 """Module containing shared helper methods."""
 
diff --git a/contrib/cvetriager/cvelib/contextgenerator.py b/contrib/cvetriager/cvelib/contextgenerator.py
index 903072b..b09dfc7 100644
--- a/contrib/cvetriager/cvelib/contextgenerator.py
+++ b/contrib/cvetriager/cvelib/contextgenerator.py
@@ -1,7 +1,8 @@
-# -*-coding: utf-8 -*-
+# Copyright 2020 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
 
-"""Context generator for CVE Triage tool.
-"""
+"""Context generator for CVE Triage tool."""
 
 import subprocess
 import os
diff --git a/contrib/cvetriager/cvelib/patchapplier.py b/contrib/cvetriager/cvelib/patchapplier.py
index 42dbc91..48f7455 100644
--- a/contrib/cvetriager/cvelib/patchapplier.py
+++ b/contrib/cvetriager/cvelib/patchapplier.py
@@ -1,7 +1,8 @@
-# -*-coding: utf-8 -*-
+# Copyright 2020 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
 
-"""Tool for patching cherry-picked commit from LINUX kernel to Chromium OS kernel.
-"""
+"""Tool for patching cherry-picked commit from LINUX kernel to Chromium OS kernel."""
 
 import subprocess
 import sys
diff --git a/contrib/cvetriager/tests/clgenerator_test.py b/contrib/cvetriager/tests/clgenerator_test.py
index fc94383..9e3dd78 100644
--- a/contrib/cvetriager/tests/clgenerator_test.py
+++ b/contrib/cvetriager/tests/clgenerator_test.py
@@ -1,4 +1,6 @@
-# -*-coding: utf-8 -*-
+# Copyright 2020 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
 
 """Testing script for cvelib/clgenerator.py."""
 
diff --git a/contrib/cvetriager/tests/common_test.py b/contrib/cvetriager/tests/common_test.py
index efb66ce..55e8dd8 100644
--- a/contrib/cvetriager/tests/common_test.py
+++ b/contrib/cvetriager/tests/common_test.py
@@ -1,4 +1,6 @@
-# -*-coding: utf-8 -*-
+# Copyright 2020 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
 
 """Testing script for cvelib/common.py."""
 
diff --git a/contrib/cvetriager/tests/contextgenerator_test.py b/contrib/cvetriager/tests/contextgenerator_test.py
index bbe9b75..7bb6080 100644
--- a/contrib/cvetriager/tests/contextgenerator_test.py
+++ b/contrib/cvetriager/tests/contextgenerator_test.py
@@ -1,4 +1,6 @@
-# -*-coding: utf-8 -*-
+# Copyright 2020 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
 
 """Testing script for cvelib/contextgenerator.py."""
 
diff --git a/contrib/cvetriager/tests/patchapplier_test.py b/contrib/cvetriager/tests/patchapplier_test.py
index be26029..2e36f96 100644
--- a/contrib/cvetriager/tests/patchapplier_test.py
+++ b/contrib/cvetriager/tests/patchapplier_test.py
@@ -1,4 +1,6 @@
-# -*-coding: utf-8 -*-
+# Copyright 2020 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
 
 """Testing script for cvelib/patchapplier.py."""