RxJava2->RxJava3

RxJava3

io.reactivex.android.schedulers.AndroidSchedulers
 to
io.reactivex.rxjava3.android.schedulers.AndroidSchedulers

io.reactivex.schedulers.Schedulers
to
io.reactivex.rxjava3.schedulers.Schedulers

io.reactivex.Observable
to
io.reactivex.rxjava3.core.Observable

io.reactivex.Single
to
io.reactivex.rxjava3.core.Single

io.reactivex.disposables.Disposable
to
io.reactivex.rxjava3.disposables.Disposable

io.reactivex.Completable
to
io.reactivex.rxjava3.core.Completable

io.reactivex.subjects.PublishSubject
to
io.reactivex.rxjava3.subjects.PublishSubject

io.reactivex.disposables.CompositeDisposable
to
io.reactivex.rxjava3.disposables.CompositeDisposable

io.reactivex.functions.BiFunction
to
io.reactivex.rxjava3.functions.BiFunction

io.reactivex.functions.Function
to
io.reactivex.rxjava3.functions.Function

io.reactivex.functions.Consumer
to
io.reactivex.rxjava3.functions.Consumer

io.reactivex.functions.Action
to
io.reactivex.rxjava3.functions.Action