Refactoring

app/src/main/java/eu/faircode/email/Helper.java

@@ -163,6 +163,8 @@ public class Helper {
                     ")+"
     );
 
+    private static final ExecutorService executor = getBackgroundExecutor(1, "helper");
+
     static ExecutorService getBackgroundExecutor(int threads, final String name) {
         ThreadFactory factory = new ThreadFactory() {
             private final AtomicInteger threadId = new AtomicInteger();
@@ -327,8 +329,6 @@ public class Helper {
         }
     }
 
-    private static final ExecutorService executor = getBackgroundExecutor(1, "helper");
-
     // Features
 
     static boolean hasPermission(Context context, String name) {