hg: jdk/sandbox: flatmap-branch: update mapper to param in javadoc for mapMulti

[patrick.concannon at oracle.com]

Changeset: 70213137cb9c
Author:    pconcannon
Date:      2020-08-19 12:56 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/70213137cb9c

flatmap-branch: update mapper to param in javadoc for mapMulti

! 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