RFR: 8273318: Some containers/docker/TestJFREvents.java configs are running out of memory

[Aleksey Shipilev]

$ CONF=linux-x86_64-server-fastdebug make run-test TEST=containers/docker/TestJFREvents.java

STDERR:
 stdout: [];
 stderr: [WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
]
 exitValue = 137

java.lang.RuntimeException: Expected to get exit value of [0]

at jdk.test.lib.process.OutputAnalyzer.shouldHaveExitValue(OutputAnalyzer.java:489)
at TestJFREvents.testContainerInfo(TestJFREvents.java:110)
at TestJFREvents.containerInfoTestCase(TestJFREvents.java:89)
at TestJFREvents.main(TestJFREvents.java:74)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:312)
at java.base/java.lang.Thread.run(Thread.java:833)


`exitValue = 137` suggests the container was killed by OOM killer. The failing configuration is with `64m`, and it is apparently too low.

Additional testing:
 - [x] Affected test now passes (5 runs out of 5 tries)
 - [x] `containers/docker` tests pass

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

Commit messages:
 - Try larger memories

Changes: https://git.openjdk.java.net/jdk/pull/5359/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=5359&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8273318
  Stats: 7 lines in 1 file changed: 1 ins; 0 del; 6 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5359.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5359/head:pull/5359

PR: https://git.openjdk.java.net/jdk/pull/5359