Support for private tracking with AniList and Bangumi (#1736)

Co-authored-by: MajorTanya <39014446+MajorTanya@users.noreply.github.com>
Co-authored-by: AntsyLich <59261191+AntsyLich@users.noreply.github.com>

domain/src/main/java/tachiyomi/domain/track/model/Track.kt

@@ -16,4 +16,5 @@ data class Track(
     val remoteUrl: String,
     val startDate: Long,
     val finishDate: Long,
+    val private: Boolean,
 ) : Serializable