git: openjdk/jcstress: CODETOOLS-7902827: JCStress: Start testing with JDK 17 EA

[duke]

Changeset: abf8ff3b
Author:    Aleksey Shipilëv <shade at redhat.com>
Committer: GitHub <noreply at github.com>
Date:      2021-02-18 11:30:01 +0000
URL:       https://git.openjdk.java.net/jcstress/commit/abf8ff3b

CODETOOLS-7902827: JCStress: Start testing with JDK 17 EA


! .github/workflows/pre-integration.yml