RFR(S): jdk.jfr.jcmd.TestJcmdDumpLimited fails due to erronous processing of -XX:FlightRecorderOptions

[Erik Gahlin]

Looks good.

Erik

> Greetings,
>
> Please review the following change set:
>
> Webrev: http://cr.openjdk.java.net/~mgronlun/8205906/webrev00/
> Bug: https://bugs.openjdk.java.net/browse/JDK-8205906
>
> Summary:
>
> Bug in processing "tail" pointer when "-XX:FlightRecorderOptions" was passed without a delimiter.
> Also took the opportunity to make the support for starting multiple -XX:StartFlightRecordings a bit simpler to follow, based on feedback from Erik.
>
> Thanks
> Markus