git: openjdk/jdk-sandbox: jcmd_cores_process_revival: Describe -L in jcmd usage

[duke]

Changeset: 81551c8d
Branch: jcmd_cores_process_revival
Author:    Ludvig Janiuk <ludvig.j.janiuk at oracle.com>
Date:      2025-09-17 12:34:13 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/81551c8d99d6489b45d39e93962835424b5c4f9d

Describe -L in jcmd usage

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