RFR: 8367943: PipedOutputStream write(0, 0) successful after close() [v3]

[Brian Burkhalter]

> Update the specification of `java.io.PipedOutputStream.write(byte[],int,int)` to match longstanding behavior. Add a verification to an existing test.

Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:

  8367943: Address reviewer comments

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Changes:
  - all: https://git.openjdk.org/jdk/pull/28078/files
  - new: https://git.openjdk.org/jdk/pull/28078/files/06f0a11a..40d5af81

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=28078&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=28078&range=01-02

  Stats: 19 lines in 2 files changed: 5 ins; 0 del; 14 mod
  Patch: https://git.openjdk.org/jdk/pull/28078.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28078/head:pull/28078

PR: https://git.openjdk.org/jdk/pull/28078