hg: jdk9/hs/hotspot: 8159364: Gtest unit tests does not support PCH

[erik.helin at oracle.com]

Changeset: 6b170e212317
Author:    ehelin
Date:      2016-06-13 13:48 +0200
URL:       http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/6b170e212317

8159364: Gtest unit tests does not support PCH
Reviewed-by: erikj, jwilhelm, gtriantafill

! make/lib/CompileGtest.gmk
! test/native/runtime/test_classLoader.cpp
! test/native/runtime/test_instanceKlass.cpp
! test/native/runtime/test_os.cpp
! test/native/utilities/test_quicksort.cpp