hg: jdk10/sandbox: Added support for gtest and multiple targets

[erik.joelsson at oracle.com]

Changeset: 17eea9196afa
Author:    erikj
Date:      2017-04-05 16:29 +0200
URL:       http://hg.openjdk.java.net/jdk10/sandbox/rev/17eea9196afa

Added support for gtest and multiple targets

! make/Main.gmk
! make/common/MakeBase.gmk
! make/common/NativeCompilation.gmk
+ make/eclipse/GTest.launch