Minor cleanup

android/src/io/anuke/mindustry/PatchedAndroidApplication.java

@@ -5,20 +5,15 @@ import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
 public class PatchedAndroidApplication extends AndroidApplication {
-
     private final ExecutorService exec = Executors.newSingleThreadExecutor();
-    private final Runnable forcePause = new Runnable() {
-        @Override
-        public void run() {
-            try {Thread.sleep(100);} catch (InterruptedException e) {}
-            graphics.onDrawFrame(null);
-        }
-    };
 
     @Override
     protected void onPause () {
         if(useImmersiveMode) {
-            exec.submit(forcePause);
+            exec.submit(() -> {
+                try {Thread.sleep(100);} catch (InterruptedException ignored) {}
+                graphics.onDrawFrame(null);
+            });
         }
         super.onPause();
     }