Player.DiscontinuityReason (ExoPlayer library)

```
@Documented
@Retention(SOURCE)
@Target({FIELD,METHOD,PARAMETER,LOCAL_VARIABLE,TYPE_USE})
public static @interface Player.DiscontinuityReason
```
Reasons for position discontinuities. One of Player.DISCONTINUITY_REASON_AUTO_TRANSITION, Player.DISCONTINUITY_REASON_SEEK, Player.DISCONTINUITY_REASON_SEEK_ADJUSTMENT, Player.DISCONTINUITY_REASON_SKIP, Player.DISCONTINUITY_REASON_REMOVE or Player.DISCONTINUITY_REASON_INTERNAL.