gapps: Switch to standalone extract utils

* Align with templates while we are at it

Change-Id: Ife50623a3d1b8733f5cc76995c982d8950d39ad4

common/common-vendor.mk

@@ -1,17 +1,5 @@
-# Copyright (C) 2017-2021 The LineageOS Project
+# Automatically generated file. DO NOT MODIFY
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
 # This file is generated by device/gapps/common/setup-makefiles.sh
 
 PRODUCT_SOONG_NAMESPACES += \