git: openjdk/leyden: premain: Address review comments

[duke]

Changeset: f09d2f77
Branch: premain
Author:    Igor Veresov <igor.veresov at oracle.com>
Date:      2025-05-06 14:47:48 +0000
URL:       https://git.openjdk.org/leyden/commit/f09d2f7724c628c90df51eacb16b33fee710ed1a

Address review comments

! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/Threads.java
- src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/TrainingReplayThread.java