anonymous->inner: do not generate public static class inside interface

java/java-tests/testData/refactoring/anonymousToInner/insideInterface.java

@@ -0,0 +1,8 @@
+interface M {
+  Runnable r = new Runnable() {<caret>
+    @Override
+    public void run() {
+
+    }
+  };
+}