Java to Kotlin converter: supported try-with-resource construct, fixed anonymous class generation + fixed a bug with method return type

#KT-4488 Fixed

j2k/tests/testData/ast/tryWithResource/Simple.java

@@ -0,0 +1,10 @@
+//file
+import java.io.*;
+
+public class C {
+    void foo() throws IOException {
+        try(InputStream stream = new FileInputStream("foo")) {
+            System.out.println(stream.read());
+        }
+    }
+}