New J2K: Split old j2k and new j2k tests

nj2k/testData/newJ2k/literalExpression/charToNumber.java

@@ -0,0 +1,8 @@
+public class CharToNumber {
+    private byte b = 'c';
+    private short s = 'c';
+    private int i = 'c';
+    private long l = 'c';
+    private float f = 'c';
+    private double d = 'c';
+}