git: openjdk/jdk: 8282076: Merge some debug agent changes from the loom repo

[Chris Plummer]

Changeset: 253cf785
Author:    Chris Plummer <cjplummer at openjdk.org>
Date:      2022-02-23 21:09:41 +0000
URL:       https://git.openjdk.java.net/jdk/commit/253cf7852f60ecf92e6d675ae2469e5f27425609

8282076: Merge some debug agent changes from the loom repo

Reviewed-by: amenkov, lmesnik

! src/jdk.jdwp.agent/share/native/libjdwp/eventHandler.c
! src/jdk.jdwp.agent/share/native/libjdwp/stepControl.c
! src/jdk.jdwp.agent/share/native/libjdwp/threadControl.c