RFR(XS): JDK-8190372 [MVT] Disallow InnerClasses Attribute to contain inner/outer class indices to a value class

[Lois Foltan]

Please review this small fix:

The issue:
https://bugs.openjdk.java.net/browse/JDK-8190372

CONSTANT_Class entries referenced from the InnerClasses Attribute are 
required to represent "a class or interface".  A direct value class type 
is not permitted.

The fix:
http://cr.openjdk.java.net/~lfoltan/mvt_innerclasses_attribute.p1/webrev/

Thanks,
Lois