[fixes #2469] Support static reference as logger topic

test/transform/resource/before/LoggerCustomWithTopicAndName.java

@@ -3,6 +3,11 @@
 class LoggerCustomLog {
 }
 
+@lombok.CustomLog(topic=LoggerCustomLogWithStaticField.TOPIC)
+class LoggerCustomLogWithStaticField {
+	static final String TOPIC = "StaticField";
+}
+
 class MyLoggerFactory {
 	static MyLoggerFactory create(String name, String t1, Object o, Class<?> clazz, String t2) {
 		return null;