Add missing scripts for rootfs creation

scripts/anbox-init.sh

+#!/system/bin/sh
+# Copyright (C) 2016 Simon Fels <morphis@gravedo.de>
+#
+# This program is free software: you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 3, as published
+# by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranties of
+# MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
+# PURPOSE.  See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+function prepare_filesystem() {
+	# These dev files need to be adjusted everytime as they are
+	# bind mounted into the temporary rootfs
+	for f in qemu_pipe qemu_trace goldfish_pipe input/* ; do
+		[ ! -e /dev/$f ] && continue
+		chown system:system /dev/$f
+		chmod 0666 /dev/$f
+	done
+
+	if [ ! -e /.anbox_setup_done ] ; then
+		echo "Fixing up all permissions ..."
+
+		# Fixup permissions of the android binaries in /system
+		while read line
+		do
+			file=`echo $line | cut -d' ' -f 1`
+			user=`echo $line | cut -d' ' -f 2`
+			group=`echo $line | cut -d' ' -f 3`
+			mode=`echo $line | cut -d' ' -f 4`
+			# Avoid changing symlinks
+			if [ ! -h /$file ] ; then
+				chmod $mode /$file
+				chown -h $user:$group /$file
+			fi
+		done < "/filesystem_config.txt"
+
+		# Additional ones not listed in the config generated from the build
+		for f in qemu_pipe qemu_trace goldfish_pipe ; do
+			[ ! -e /dev/$f ] && continue
+			chown system:system /dev/$f
+			chmod 0666 /dev/$f
+		done
+
+		echo "Setup done!"
+		echo $VERSION > /.anbox_setup_done
+	fi
+}
+
+prepare_filesystem &
+echo "Waiting for filesystem being prepared ..."
+wait $!
+
+echo "Starting real init now ..."
+/init

scripts/create-package.sh

+#!/bin/bash
+
+TOPDIR=`pwd`
+PRODUCT_NAME=generic_arm64
+OUTDIR=out/target/product/$PRODUCT_NAME
+
+if [ -d rootfs ] ; then
+	rm -rf rootfs
+fi
+
+mkdir rootfs
+cp -r $OUTDIR/root/* rootfs/
+cp -r $OUTDIR/system/* rootfs/system/
+
+mkdir rootfs/cache
+
+cp filesystem_config.txt rootfs/
+cp anbox-init.sh rootfs/
+chmod +x rootfs/anbox-init.sh
+
+chmod 755 rootfs/init.*
+chmod 755 rootfs/default.prop
+chmod 755 rootfs/system/build.prop
+chmod +x rootfs/anbox-init.sh
+
+tar cf rootfs.tar rootfs