hg: jdk/sandbox: Update javadoc for all methods

[julia.boes at oracle.com]

Changeset: 9f9d90aac90e
Author:    jboes
Date:      2020-06-12 16:54 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/9f9d90aac90e

Update javadoc for all methods

! src/java.base/share/classes/java/util/stream/DoubleStream.java
! src/java.base/share/classes/java/util/stream/IntStream.java
! src/java.base/share/classes/java/util/stream/LongStream.java
! src/java.base/share/classes/java/util/stream/Stream.java