Add jdk.internal.util.jar in the allowed package list.

This is part of OpenJDK17 update. sun.misc.JarIndex was moved to
jdk.internal.util.jar.

Bug: 260718199
Test: m
Change-Id: I7107f980d6afe500acff88164b1e6cb04cded896
diff --git a/scripts/check_boot_jars/package_allowed_list.txt b/scripts/check_boot_jars/package_allowed_list.txt
index a02c195..08bd80c 100644
--- a/scripts/check_boot_jars/package_allowed_list.txt
+++ b/scripts/check_boot_jars/package_allowed_list.txt
@@ -75,6 +75,7 @@
 jdk\.internal\.ref
 jdk\.internal\.reflect
 jdk\.internal\.util
+jdk\.internal\.util\.jar
 jdk\.internal\.vm\.annotation
 jdk\.net
 org\.w3c\.dom