git: openjdk/jdk: 8318962: Update ProcessTools javadoc with suggestions in 8315097

[Leo Korinth]

Changeset: 7e4cb2f0
Author:    Leo Korinth <lkorinth at openjdk.org>
Date:      2023-11-09 08:57:44 +0000
URL:       https://git.openjdk.org/jdk/commit/7e4cb2f09d1219c6ba7bfa77be831a7c7c9b055a

8318962: Update ProcessTools javadoc with suggestions in 8315097

Reviewed-by: rriggs

! test/lib/jdk/test/lib/process/ProcessTools.java