git: openjdk/jdk17u-dev: 8292066: Convert TestInputArgument.sh and TestSystemLoadAvg.sh to java version

[Goetz Lindenmaier]

Changeset: c74eb2bf
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2023-02-02 20:10:16 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/c74eb2bffd85aeff47f81dfce75f2bb2c5d7c1d7

8292066: Convert TestInputArgument.sh and TestSystemLoadAvg.sh to java version

Backport-of: 032be168b5a6af6f9e82deb8c8cafcd2c44b5447

! test/jdk/java/lang/management/OperatingSystemMXBean/GetSystemLoadAverage.java
- test/jdk/java/lang/management/OperatingSystemMXBean/TestSystemLoadAvg.sh
! test/jdk/java/lang/management/RuntimeMXBean/InputArgument.java
- test/jdk/java/lang/management/RuntimeMXBean/TestInputArgument.sh