hg: amber/amber: declare JVM_CONSTANT_Dynamic, in preparation for unifying jvm.h and jni.h

[paul.sandoz at oracle.com]

Changeset: 59f40c8373c4
Author:    psandoz
Date:      2017-11-01 12:31 -0700
URL:       http://hg.openjdk.java.net/amber/amber/rev/59f40c8373c4

declare JVM_CONSTANT_Dynamic, in preparation for unifying jvm.h and jni.h

! src/java.base/share/native/include/classfile_constants.h