1.x add missing @experimental tag to unsubscribeOn

Author: akarnokd

src/main/java/rx/Single.java

@@ -2813,7 +2813,9 @@ public final Single<T> delaySubscription(Observable<?> other) {
      * the dispose is called on the specified scheduler
      * @param scheduler the target scheduler where to execute the cancellation
      * @return the new Single instance
+     * @since 1.2.8 - experimental
      */
+    @Experimental
     public final Single<T> unsubscribeOn(final Scheduler scheduler) {
         return create(new OnSubscribe<T>() {
             @Override

src/test/java/rx/SingleTest.java

@@ -28,7 +28,6 @@
 import rx.Single.OnSubscribe;
 import rx.exceptions.*;
 import rx.functions.*;
-import rx.internal.util.RxThreadFactory;
 import rx.observers.*;
 import rx.plugins.RxJavaHooks;
 import rx.schedulers.*;

src/test/java/rx/internal/operators/OperatorReplayTest.java

@@ -1584,7 +1584,7 @@ public void noOldEntries() {
         Observable<Integer> source = Observable.just(1)
         .replay(2, TimeUnit.SECONDS, scheduler)
         .autoConnect();
-        
+
         source.test().assertResult(1);
 
         source.test().assertResult(1);

src/test/java/rx/subjects/ReplaySubjectTest.java

@@ -1183,7 +1183,7 @@ public void noOldEntries() {
 
         source.onNext(1);
         source.onCompleted();
-        
+
         source.test().assertResult(1);
 
         source.test().assertResult(1);