#Android Backup Do Not Disturb Settings
#file is /data/system/notification_policy.xml

#As root on phone
cp /data/system/notification_policy.xml /sdcard/Download/

#on desktop
adb pull /sdcard/Download/notification_policy.xml

#plug in new phone and push
adb push notification_policy.xml /sdcard/Download/

#on phone as root
cp /sdcard/Download/notification_policy.xml /data/system/notification_policy.xml


##extra##
#to edit 'xml' file
#on phone
cd /sdcard/Download
abx2xml -i notification_policy.xml
#exit file and convert back
xml2abx -i notification_policy.xml