git: openjdk/jdk8u: 8303408: [AIX] Broken jdk8u build after JDK-8266391

[Severin Gehwolf]

Changeset: 4a837299
Author:    Deepa Kumari <dpakri181 at gmail.com>
Committer: Severin Gehwolf <sgehwolf at openjdk.org>
Date:      2023-03-03 10:34:21 +0000
URL:       https://git.openjdk.org/jdk8u/commit/4a837299c68071be563e376efe6f12852bc130e7

8303408: [AIX] Broken jdk8u build after JDK-8266391

Reviewed-by: phh, sgehwolf

= jdk/src/aix/classes/jdk/internal/platform/SystemMetrics.java