git: openjdk/leyden: premain: Added "make compare_premain_builds" and "make diff_training_logs" for pet-clinic

[duke]

Changeset: de0cf7b9
Author:    iklam <ilam3388 at gmail.com>
Date:      2024-03-18 18:56:47 +0000
URL:       https://git.openjdk.org/leyden/commit/de0cf7b9c4f5904397c1d54f8f5c05f591ef6728

Added "make compare_premain_builds" and "make diff_training_logs" for pet-clinic

! test/hotspot/jtreg/premain/spring-petclinic/Makefile