2.x: Fix marble of Maybe.flatMap events to MaybeSource (#6155)
2.x: Fix marble of Maybe.flatMap events to MaybeSource (#6155)


artem-zinnatullin/RxJava,artem-zinnatullin/RxJava,ReactiveX/RxJava,reactivex/rxjava,ReactiveX/RxJava,reactivex/rxjava,NiteshKant/RxJava,NiteshKant/RxJava