Ignore eot_id for Llama3 on output

Differential Revision: D62022863

Author: cmodi-meta

examples/demo-apps/android/LlamaDemo/app/src/main/java/com/example/executorchllamademo/MainActivity.java

@@ -73,8 +73,11 @@ public class MainActivity extends AppCompatActivity implements Runnable, LlamaCa
 
   @Override
   public void onResult(String result) {
-    mResultMessage.appendText(result);
-    run();
+    // TODO: remove hardcode specific to llama3 and newer
+    if(!result.equals("<|eot_id|>")){
+      mResultMessage.appendText(result);
+      run();
+    }
   }
 
   @Override