2.x: add/remove empty lines in ConnectableObservable and Observable (#5288)

* Multiple lines

* Less line of space

Author: smartbeng

src/main/java/io/reactivex/Observable.java

@@ -203,7 +203,6 @@ public static <T, R> Observable<R> combineLatest(Iterable<? extends ObservableSo
         return combineLatest(sources, combiner, bufferSize());
     }
 
-
     /**
      * Combines a collection of source ObservableSources by emitting an item that aggregates the latest values of each of
      * the source ObservableSources each time an item is received from any of the source ObservableSources, where this

src/main/java/io/reactivex/observables/ConnectableObservable.java

@@ -87,6 +87,7 @@ public Observable<T> refCount() {
     public Observable<T> autoConnect() {
         return autoConnect(1);
     }
+
     /**
      * Returns an Observable that automatically connects to this ConnectableObservable
      * when the specified number of Observers subscribe to it.