Integrated: 8270027: ProblemList jdk/jfr/event/oldobject/TestObjectSize.java on macOS-x64

[Daniel D.Daugherty]

A trivial fix to ProblemList jdk/jfr/event/oldobject/TestObjectSize.java on macOS-x64.

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

Commit messages:
 - 8270027: ProblemList jdk/jfr/event/oldobject/TestObjectSize.java on macOS-x64

Changes: https://git.openjdk.java.net/jdk/pull/4709/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4709&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8270027
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4709.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4709/head:pull/4709

PR: https://git.openjdk.java.net/jdk/pull/4709