Add OpenJ9PropsExt properties for docker.support

[JasonFengJ9]

Add OpenJ9PropsExt properties for docker.support

A personal build w/ this PR passed most of sub-tests except

15:57:16  java.lang.NullPointerException: Cannot invoke "jdk.internal.platform.Metrics.getCpuSetMems()" because the return value of "jdk.internal.platform.Metrics.systemMetrics()" is null
15:57:16  	at TestDockerCpuMetrics.main(TestDockerCpuMetrics.java:80)
15:57:16  	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
15:57:16  	at java.base/java.lang.reflect.Method.invoke(Method.java:578)
15:57:16  	at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:312)
15:57:16  	at java.base/java.lang.Thread.run(Thread.java:1573)

Related jdk_container_0 issue - eclipse-openj9/openj9#16505

Will port to JDK Next repo.

Signed-off-by: Jason Feng fengj@ca.ibm.com