RFR: 8373111: Test java/lang/management/MemoryMXBean/MemoryManagement.java timed out

[Kevin Walls]

Test is intended to run with a small new size, -Xmn8m
Without this, a larger new gen size means the allocations it make continually may never cause the Notification the test is waiting for.  Timeout interacts with the process and means some allocation, which does hit the threshold, so we see "Test passed." and a timeout in the same log.

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Commit messages:
 - 8373111: Test java/lang/management/MemoryMXBean/MemoryManagement.java timed out

Changes: https://git.openjdk.org/jdk/pull/28697/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28697&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8373111
  Stats: 9 lines in 1 file changed: 4 ins; 3 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/28697.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28697/head:pull/28697

PR: https://git.openjdk.org/jdk/pull/28697