New J2K: Split old j2k and new j2k tests

nj2k/testData/newJ2k/methodCallExpression/genericMethod.java

@@ -0,0 +1,13 @@
+//file
+package demo;
+
+class Map {
+  <K, V> void put(K k, V v) {}
+}
+
+class U {
+  void test() {
+    Map m = new Map();
+    m.<String, Integer>put(null, 10);
+  }
+}