git: openjdk/leyden: premain: Automate warmup testing using springboot-petclinic

[duke]

Changeset: f1d6e862
Author:    Ashutosh Mehra <asmehra at redhat.com>
Date:      2024-02-21 16:52:47 +0000
URL:       https://git.openjdk.org/leyden/commit/f1d6e862d14421e3886f60b96100bc370267b940

Automate warmup testing using springboot-petclinic

Signed-off-by: Ashutosh Mehra <asmehra at redhat.com>

+ test/hotspot/jtreg/premain/spring-petclinic/WarmupMakefile
+ test/hotspot/jtreg/premain/spring-petclinic/warmup_result.sh