hg: build-infra/jdk9/hotspot: * Add tests that --with-jvm-features does not use invalid combinations.

[magnus.ihse.bursie at oracle.com]

Changeset: 3ffda703123c
Author:    ihse
Date:      2016-02-09 18:54 +0100
URL:       http://hg.openjdk.java.net/build-infra/jdk9/hotspot/rev/3ffda703123c

* Add tests that --with-jvm-features does not use invalid combinations.
* Deprecate --with-jvm-interpreter and remove cpp-interpreter feature.

! makefiles/lib/JvmFeatures.gmk