git: openjdk/loom: fibers: Fix build issue with interim image creating CDS archive

[duke]

Changeset: e3ce5a1e
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2020-04-13 09:08:22 +0000
URL:       https://git.openjdk.java.net/loom/commit/e3ce5a1e

Fix build issue with interim image creating CDS archive

! src/java.base/share/classes/java/lang/Thread.java