git: openjdk/jdk-sandbox: jcmd_cores_process_revival: Hide IOException backtrace in JCmd for core, unless verbose

[duke]

Changeset: 4b2a22fe
Branch: jcmd_cores_process_revival
Author:    Kevin Walls <kevin.walls at oracle.com>
Date:      2026-01-12 17:13:05 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/4b2a22fe2987e8ceaba659076243e855326e6d4b

Hide IOException backtrace in JCmd for core, unless verbose

! src/jdk.jcmd/share/classes/sun/tools/jcmd/JCmd.java