RFR 8194086: Remove deprecated experimental flag UseCGroupMemoryLimitForHeap

[Lois Foltan]

Looks good Harold.
Lois

On 1/19/2018 4:00 PM, harold seigel wrote:
> Hi,
>
> Please review this small JDK-11 change to remove deprecated 
> experimental option UseCGroupMemoryLimitForHeap.
>
> Open Webrev: 
> http://cr.openjdk.java.net/~hseigel/bug_8194086/webrev/index.html
>
> JBS Bug: https://bugs.openjdk.java.net/browse/JDK-8194086
>
> The change was tested by hand:
>
>     > java -XX:+UseCGroupMemoryLimitForHeap -version
>    Unrecognized VM option 'UseCGroupMemoryLimitForHeap'
>    Error: Could not create the Java Virtual Machine.
>    Error: A fatal exception has occurred. Program will exit.
>
>     > java -XX:-UseCGroupMemoryLimitForHeap -version
>    Unrecognized VM option 'UseCGroupMemoryLimitForHeap'
>    Error: Could not create the Java Virtual Machine.
>    Error: A fatal exception has occurred. Program will exit.
>
> Additionally, JPRT and Mach5 t1 - t5 tests were run to check for any 
> tests that might rely on the option.
>
> Thanks, Harold
>
>