hg: build-infra/jdk9/hotspot: Fix old-style feature tests.

[magnus.ihse.bursie at oracle.com]

Changeset: 3ec3d2b864a4
Author:    ihse
Date:      2015-10-09 17:26 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk9/hotspot/rev/3ec3d2b864a4

Fix old-style feature tests.

! makefiles/CompileJvm.gmk
! makefiles/GenerateSources.gmk
! makefiles/GensrcJvmti.gmk