lynx: Set up proprietary files extraction

* The proprietary files lists are generated by comparing stock partition
  contents with AOSP generated partitions.

Co-authored-by: Aaron Kling <webgeek1234@gmail.com>
Co-authored-by: Cosmin Tanislav <demonsingur@gmail.com>
Co-authored-by: Michael Bestas <mkbestas@lineageos.org>
Change-Id: I17b78ccf212d8364070c40fe3c7d06d4048e3fe4

extract-files.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+#
+# SPDX-FileCopyrightText: 2016 The CyanogenMod Project
+# SPDX-FileCopyrightText: 2017-2024 The LineageOS Project
+# SPDX-License-Identifier: Apache-2.0
+#
+
+set -e
+
+MY_DIR="$(cd "$(dirname "${0}")"; pwd -P)"
+
+"${MY_DIR}/lynx/extract-files.sh" "$@"