RFR: 8159364: Gtest unit tests does not support PCH

[George Triantafillou]

Erik,

Looks good.

-George

On 6/14/2016 5:50 AM, 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