RFR: 8159364: Gtest unit tests does not support PCH

[Erik Joelsson]

Do you really need to exclude gTestLauncher.cpp from precompiled? That 
file should be excluded from compilation already.

Otherwise looks good.

/Erik

On 2016-06-14 02:50, Erik Helin wrote:
> Hi all,
>
> this patch adds support for pre-compiled headers (PCH) to the gtest unit
> tests.
>
> Bug:
> https://bugs.openjdk.java.net/browse/JDK-8159364
>
> Webrev:
> http://cr.openjdk.java.net/~ehelin/8159364/00/
>
> Testing:
> - JPRT
>
> Thanks,
> Erik