RFR(S): 8168483 Remove jtreg timeout handler timeout

[Staffan Larsen]

Thank David!

> On 22 Oct 2016, at 02:24, David Holmes <david.holmes at oracle.com> wrote:
> 
> Looks fine.
> 
> Thanks,
> David
> 
> On 21/10/2016 11:24 PM, Staffan Larsen wrote:
>> When we run jtreg in the hotspot, jdk and nashorn folders we run it with the timeout handler found under test/failure_handler. This handler is sometimes very slow (since it creates core files of hung processes). The handler is also very good at handling its own timeouts.
>> 
>> The default implementation in jtreg tries to interrupt() a timeout handler after 300 seconds. This is not enough time for test/failure_handler. Rather than increasing the timeout, we should disable it when running with test/failure_handler and let it handle any timeouts itself.
>> 
>> webrev: http://cr.openjdk.java.net/~sla/8168483/webrev.00/
>> bug: https://bugs.openjdk.java.net/browse/JDK-8168483 <https://bugs.openjdk.java.net/browse/JDK-8168483>
>> 
>> /Staffan
>>