git: openjdk/jdk-sandbox: jcmd_cores_process_revival: Check EDITBIN exists. Check if revival dir is empty.

[duke]

Changeset: c6dd697e
Branch: jcmd_cores_process_revival
Author:    Kevin Walls <kevin.walls at oracle.com>
Date:      2025-10-23 16:18:03 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/c6dd697e7de699cb139fa9b682f432d70b6873df

Check EDITBIN exists.  Check if revival dir is empty.

! make/modules/java.base/Launcher.gmk
! src/java.base/linux/native/revivalhelper/revival_linux.cpp
! src/java.base/macosx/native/revivalhelper/revival_macosx.cpp
! src/java.base/share/native/revivalhelper/revival.cpp
! src/java.base/share/native/revivalhelper/revival.hpp
! src/java.base/windows/native/revivalhelper/revival_windows.cpp