Update README.md (#5068)
Update README.md (#5068)

* Update README.md

Error:(13, 38) java: variable v is already defined in method main(java.lang.String[])

* Update README.md

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