RFR: 8284900: Check InitialHeapSize and container memory limits before startup [v6]

[xpbob]

On Wed, 20 Apr 2022 06:50:04 GMT, Ioi Lam <iklam at openjdk.org> wrote:

>> @stefank
>> Thanks for review.
>> The code has been updated
>
> I have updated the bug report [JDK-8284900](https://bugs.openjdk.java.net/browse/JDK-8284900), but there are still some details that are missing. I.e., how to set up the `foo` control group. @xpbob could you add the details into the bug report?
> 
> The bug report should have a concrete reproducible test case so anyone reading it in the future won't need to guess the reproduction steps.

@iklam 
Thanks for review.
I have updated the steps for creating a cgroup in the the bug report [JDK-8284900](https://bugs.openjdk.java.net/browse/JDK-8284900) and added test case

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PR: https://git.openjdk.java.net/jdk/pull/8256