introduce functional: convert to lambda when applicable (IDEA-174018)

java/java-tests/testData/refactoring/introduceFunctionalVariable/afterSkipUsedLocals.java

@@ -1,11 +1,7 @@
 class Test {
     void foo(String name) {
         System.out.println("Hello, ");
-        Runnable runnable = new Runnable() {
-            public void run() {
-                System.out.println(name);
-            }
-        };
+        Runnable runnable = () -> System.out.println(name);
         runnable.run();
     }
 }