git: openjdk/jdk17u-dev: 8344361: Restore null return for invalid services from legacy providers

[Goetz Lindenmaier]

Changeset: 1f039fe2
Branch: master
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2025-04-11 13:21:52 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/1f039fe2044edbd09d62914bc99e01facfc453c4

8344361: Restore null return for invalid services from legacy providers

Backport-of: e20bd018c4046870d0cf632bb8e5440cb9f5c3c2

! src/java.base/share/classes/java/security/Provider.java
+ test/jdk/java/security/Provider/InvalidServiceTest.java