hg: jdk/sandbox: flatmap-branch: small cleanups in default and JDK implementation

[julia.boes at oracle.com]

Changeset: e2d9907ddbf1
Author:    jboes
Date:      2020-06-26 13:56 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/e2d9907ddbf1

flatmap-branch: small cleanups in default and JDK implementation

! src/java.base/share/classes/java/util/stream/DoublePipeline.java
! src/java.base/share/classes/java/util/stream/DoubleStream.java
! src/java.base/share/classes/java/util/stream/IntPipeline.java
! src/java.base/share/classes/java/util/stream/IntStream.java
! src/java.base/share/classes/java/util/stream/LongPipeline.java
! src/java.base/share/classes/java/util/stream/LongStream.java
! src/java.base/share/classes/java/util/stream/ReferencePipeline.java
! src/java.base/share/classes/java/util/stream/Stream.java