RFR(XS) : 8177708 : Convert TestReserveMemorySpecial_test to Gtest

[Igor Ignatyev]

http://cr.openjdk.java.net/~iignatyev//8177708/webrev.00/index.html
> 331 lines changed: 330 ins; 1 del; 0 mod; 
Hi all,

could you please review this small and trivial patch which converts TestReserveMemorySpecial_test tests to Gtest? the old tests[1,2] haven't been removed as they are used by WhiteBox::runMemoryUnitTests they will be removed when the rest tests are converted.

webrev: http://cr.openjdk.java.net/~iignatyev//8177708/webrev.00/index.html
JBS: https://bugs.openjdk.java.net/browse/JDK-8177708
[1] http://hg.openjdk.java.net/jdk/jdk/file/tip/src/hotspot/os/linux/os_linux.cpp#l5969
[2] http://hg.openjdk.java.net/jdk/jdk/file/tip/src/hotspot/os/windows/os_windows.cpp#l5564

Thanks,
-- Igor