RFR: 8293771: runtime/handshake/SystemMembarHandshakeTransitionTest.java fails if MEMBARRIER_CMD_QUERY is unsupported

[Jie Fu]

Hi all,

Please review this trivial fix.
It fails due to the failing msg is incorrect in the test.

Thanks.
Best regards,
Jie

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

Commit messages:
 - 8293771: runtime/handshake/SystemMembarHandshakeTransitionTest.java fails if MEMBARRIER_CMD_QUERY is unsupported

Changes: https://git.openjdk.org/jdk/pull/10259/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10259&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8293771
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/10259.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10259/head:pull/10259

PR: https://git.openjdk.org/jdk/pull/10259