Add symbolic implementation of CremaPartialType.sameRuntimePackage

Author: gilles-duboscq

substratevm/src/com.oracle.svm.interpreter/src/com/oracle/svm/interpreter/CremaSupportImpl.java

@@ -746,7 +746,9 @@ public List<CremaPartialMethod> getDeclaredMethodsList() {
         @Override
         public boolean sameRuntimePackage(InterpreterResolvedJavaType otherType) {
             // GR-62339 runtime packages
-            return false;
+            ByteSequence thisRuntimePackage = TypeSymbols.getRuntimePackage(parserKlass.getType());
+            Symbol<Name> thatRuntimePackage = otherType.getSymbolicRuntimePackage();
+            return thisRuntimePackage.equals(thatRuntimePackage);
         }
 
         @Override