hg: build-infra/jdk9/hotspot: * Untangle minimal1 into proper features

[magnus.ihse.bursie at oracle.com]

Changeset: f9724ca3aca1
Author:    ihse
Date:      2015-10-06 15:43 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk9/hotspot/rev/f9724ca3aca1

* Untangle minimal1 into proper features
* Move -DPRODUCT to debug level flags

! makefiles/Common.gmk
! makefiles/JvmFeatures.gmk
! makefiles/JvmPlatforms.gmk