RFR: 8302977: ZGC: Doesn't support gc/TestVerifySubSet.java

[Stefan Karlsson]

8302741 removed ZGC's usage of Universe::verify. This breaks gc/TestVerifySubSet.java, which looks for this output.

I propose this trivial patch to simply exclude ZGC from running this test.

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

Commit messages:
 - 8302977: ZGC: Doesn't support gc/TestVerifySubSet.java

Changes: https://git.openjdk.org/jdk/pull/12686/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=12686&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8302977
  Stats: 4 lines in 1 file changed: 4 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/12686.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12686/head:pull/12686

PR: https://git.openjdk.org/jdk/pull/12686