Pull Up: Java -> Kotlin interoperability

#KT-5803 Fixed

idea/testData/refactoring/pullUp/j2k/fromClassToNestedClass.java

@@ -0,0 +1,43 @@
+abstract class <caret>B extends T.U.A {
+    // INFO: {"checked": "true"}
+    int x = 2*3;
+    // INFO: {"checked": "true"}
+    static String X = "1" + "2";
+    // INFO: {"checked": "true"}
+    boolean foo(int n) {
+        return n > 0;
+    }
+    // INFO: {"checked": "true"}
+    static String foo2(int n) {
+        return "_" + n + "_";
+    }
+    // INFO: {"checked": "true"}
+    abstract int bar(String s);
+    // INFO: {"checked": "true"}
+    class X {
+
+    }
+    // INFO: {"checked": "true"}
+    static class Y {
+
+    }
+}
+
+class Test {
+    static void test() {
+        B b = new B() {
+            public int bar(String s) {
+                return s.length();
+            }
+        };
+        int t1 = b.x;
+        b.x = t1 + 1;
+        String t2 = b.X;
+        String t3 = B.X;
+        b.foo(1);
+        b.foo2(2);
+        B.foo2(3);
+        b.new X();
+        new B.Y();
+    }
+}