it fixes issues with forks or debug builds, e.g. when you open two newpipe apps (with debug or fork apps), close one notification, it closes all newpipe notifications
fixes https://github.com/TeamNewPipe/NewPipe/issues/4653
- Introduce Groupie for easier lists implementations
- Use some of the new components of the Android Architecture libraries
- Add a bunch of icons for groups, using vectors, which still is
compatible with older APIs through the compatibility layer