Resolve comments in flutter#8487

Author: jwren

src/io/flutter/module/FlutterGeneratorPeer.java

@@ -26,7 +26,12 @@
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
-import javax.swing.*;
+import javax.swing.ComboBoxEditor;
+import javax.swing.JComponent;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import javax.swing.JTextPane;
 import javax.swing.event.DocumentEvent;
 import javax.swing.text.JTextComponent;