Extend edge-to-edge to versions below Android Oreo. This is done
through tinting the navigation bar colors on those versions,
circumventing the coloring issue.
Add a "Dynamic" replaygain mode inspired by the FooBar2000 plugin. This
will automatically determine whether the playback is in an album or not
and use the album gain or track gain accordingly.
Use a custom ExoPlayer fork with the FLAC extension enabled. This
greatly improves the listening experience, as it enables metadata
support on OGG files and FLAC files to be played below API 27.
