git: openjdk/jdk: 8295715: Minimize disabled warnings in serviceability libs

[Magnus Ihse Bursie]

Changeset: faa6b662
Author:    Magnus Ihse Bursie <ihse at openjdk.org>
Date:      2022-10-20 18:51:34 +0000
URL:       https://git.openjdk.org/jdk/commit/faa6b662577a24eeb726ba525303b68b87269869

8295715: Minimize disabled warnings in serviceability libs

Reviewed-by: cjplummer, erikj

! make/modules/java.instrument/Lib.gmk
! make/modules/jdk.hotspot.agent/Lib.gmk
! make/modules/jdk.jdwp.agent/Lib.gmk
! make/modules/jdk.management/Lib.gmk