git: openjdk/jdk: 8333129: Move ShrinkHeapInSteps flag to Serial GC

[Zhengyu Gu]

Changeset: 79a78f03
Author:    Zhengyu Gu <zgu at openjdk.org>
Date:      2024-05-31 13:00:04 +0000
URL:       https://git.openjdk.org/jdk/commit/79a78f032effdae40816e7d3e2596dc2b8ef5b9f

8333129: Move ShrinkHeapInSteps flag to Serial GC

Reviewed-by: dholmes, kbarrett

! src/hotspot/share/gc/serial/serial_globals.hpp
! src/hotspot/share/runtime/globals.hpp