2.x: Add a sentence to documentation of take() operator. (#5718)

* Add a sentence to documentation of take() operator

* Rephrase java doc for take() method

Author: sadegh

src/main/java/io/reactivex/Flowable.java

@@ -13392,6 +13392,9 @@ public final Flowable<T> take(long count) {
      * Returns a Flowable that emits those items emitted by source Publisher before a specified time runs
      * out.
      * <p>
+     * If time runs out before the {@code Flowable} completes normally, the {@code onComplete} event will be
+     * signaled on the default {@code computation} {@link Scheduler}.
+     * <p>
      * <img width="640" height="305" src="https://raw.github.com/wiki/ReactiveX/RxJava/images/rx-operators/take.t.png" alt="">
      * <dl>
      *  <dt><b>Backpressure:</b></dt>
@@ -13419,6 +13422,9 @@ public final Flowable<T> take(long time, TimeUnit unit) {
      * Returns a Flowable that emits those items emitted by source Publisher before a specified time (on a
      * specified Scheduler) runs out.
      * <p>
+     * If time runs out before the {@code Flowable} completes normally, the {@code onComplete} event will be
+     * signaled on the provided {@link Scheduler}.
+     * <p>
      * <img width="640" height="305" src="https://raw.github.com/wiki/ReactiveX/RxJava/images/rx-operators/take.ts.png" alt="">
      * <dl>
      *  <dt><b>Backpressure:</b></dt>

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

@@ -11286,6 +11286,9 @@ public final Observable<T> take(long count) {
      * Returns an Observable that emits those items emitted by source ObservableSource before a specified time runs
      * out.
      * <p>
+     * If time runs out before the {@code Observable} completes normally, the {@code onComplete} event will be
+     * signaled on the default {@code computation} {@link Scheduler}.
+     * <p>
      * <img width="640" height="305" src="https://raw.github.com/wiki/ReactiveX/RxJava/images/rx-operators/take.t.png" alt="">
      * <dl>
      *  <dt><b>Scheduler:</b></dt>
@@ -11309,6 +11312,9 @@ public final Observable<T> take(long time, TimeUnit unit) {
      * Returns an Observable that emits those items emitted by source ObservableSource before a specified time (on a
      * specified Scheduler) runs out.
      * <p>
+     * If time runs out before the {@code Observable} completes normally, the {@code onComplete} event will be
+     * signaled on the provided {@link Scheduler}.
+     * <p>
      * <img width="640" height="305" src="https://raw.github.com/wiki/ReactiveX/RxJava/images/rx-operators/take.ts.png" alt="">
      * <dl>
      *  <dt><b>Scheduler:</b></dt>