RFR: 8335126: Shenandoah: Improve OOM handling

[Y. Srinivas Ramakrishna]

On Wed, 31 Jul 2024 19:11:03 GMT, William Kemper <wkemper at openjdk.org> wrote:

> Mostly clean backport. This commit prevents tests that try to exhaust the heap from running continuous back-to-back full GCs (resulting in timeouts).

Marked as reviewed by ysr (Committer).

-------------

PR Review: https://git.openjdk.org/shenandoah-jdk21u/pull/69#pullrequestreview-2213483368