Ambient Music Mod 2.2.1

This is quite a large update, please make sure to update Ambient Music Mod and then Now Playing from the Updates screen after installing

• Enabled Now Playing Summary in the Now Playing History, a new feature that's not even on Pixels yet, which displays statistics about your listening habits including genre, artists, and timings from the last 30 days (configurable down to 1 day up to 365 days)
• NNFPv3 (the updated model) is now enabled on all devices except legacy armv7. Google have switched Pixels over to using it, indicating music databases for the legacy model may stop being updated at some point.
  Please note that due to format changes, a database update will be forced after updating, and any saved On Demand recognitions will be removed. This is unavoidable, and Google has already done this on Pixel devices with official Now Playing
• Added experimental option to download extra country databases (up to two)
• Added option to periodically (daily/weekly/monthly) back up to a specified location
• Improved track list viewer speed by caching track info in Ambient Music Mod, rather than loading it from the Now Playing database every time. This will increase the storage footprint of Ambient Music Mod, but you can clear the app's cache if it becomes an issue.
• Added a track info viewer to the track list, displaying all available information for a track on one page, including links to play tracks in the database
• Added option to edit and delete stored On Demand tracks
• Updated database downloader, and implemented a system whereby the system Job Scheduler (which is relied on to schedule downloads) gets told to expedite downloads where possible. This should improve the speed of database downloads.
• Improved Lock Screen detection logic
• Fixed an issue where some switches in the app behaved differently depending on whether the text or the switch handle was pressed
• Fixed an issue where notifications for Now Playing were being re-enabled after being disabled by the user on some devices

nb: Version 2.2.1 fixes a cache issue with 2.2 which may impact updates. For this reason, it has replaced 2.2 and that version has been removed.