git: openjdk/leyden: premain: Enable 1-step workflow with Epsilon GC

[duke]

Changeset: 126461c0
Branch: premain
Author:    Aleksey Shipilev <shade at openjdk.org>
Committer: iklam <ilam3388 at gmail.com>
Date:      2024-08-22 16:07:47 +0000
URL:       https://git.openjdk.org/leyden/commit/126461c0ece1fde43799d669d541e1ca254f0314

Enable 1-step workflow with Epsilon GC

! README.md
! src/hotspot/share/cds/heapShared.hpp
! src/hotspot/share/cds/metaspaceShared.cpp
! test/hotspot/jtreg/runtime/cds/appcds/leyden/LeydenGCFlags.java