Java: Restored folding of nested function calls when extracting method (IDEA-175221, IDEA-167255)

java/java-tests/testData/refactoring/extractMethod/FoldingWithFunctionCall_after.java

@@ -0,0 +1,16 @@
+import java.util.List;
+class C {
+    void foo(int[] a, List<Integer> b) {
+        int i = 1;
+        int n = newMethod(bar(a[i], b.get(i)));
+        System.out.println(n);
+    }
+
+    private int newMethod(int bar) {
+        return bar;
+    }
+
+    int bar(int a, int b) {
+        return a + b;
+    }
+}