RFR: 8170976: [TESTBUG] LogTestFixture does not restore previous logging state

[Robbin Ehn]

Hi Marcus, looks good except the missing free of array and strdup in 
logTestFixture.cpp.

Thanks, Robbin

On 02/14/2018 10:57 AM, Marcus Larsson wrote:
> Hi,
> 
> Please review the following change to retain log configuration throughout gtest 
> runs for UL.
> 
> A snapshot will now be taken before each test run (using the LogTestFixture), 
> and that configuration is then restored after the test completes.
> 
> Issue:
> https://bugs.openjdk.java.net/browse/JDK-8170976
> 
> Webrev:
> http://cr.openjdk.java.net/~mlarsson/8170976/webrev.00
> 
> Verified that GTest tests still pass.
> 
> Thanks,
> Marcus
>