RFR: 8325576: java/lang/ProcessHandle/InfoTest.java fails on systems with coreutils with --enable-single-binary [v3]

[Dan Lutker]

> Ran the test on AmazonLinux 2 which has multiple binaries from coreutils package and no coreutils executable as well as AmazonLinux 2023 that uses `--enable-single-binary`

Dan Lutker has updated the pull request incrementally with two additional commits since the last revision:

 - Remove extra whitespace
 - Simplify check for coreutils single executable

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Changes:
  - all: https://git.openjdk.org/jdk/pull/17798/files
  - new: https://git.openjdk.org/jdk/pull/17798/files/3f42d85e..1df8876c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=17798&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=17798&range=01-02

  Stats: 17 lines in 2 files changed: 0 ins; 12 del; 5 mod
  Patch: https://git.openjdk.org/jdk/pull/17798.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17798/head:pull/17798

PR: https://git.openjdk.org/jdk/pull/17798