am 54668b8a: am e1787009: Merge "Added null check on return value for getKeyDispatcherState()"

* commit '54668b8a3599559fc007af1d75c039400a05e898':
  Added null check on return value for getKeyDispatcherState()

core/java/android/widget/PopupWindow.java

@@ -1489,6 +1489,10 @@ public class PopupWindow {
         @Override
         public boolean dispatchKeyEvent(KeyEvent event) {
             if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) {
+                if (getKeyDispatcherState() == null) {
+                    return super.dispatchKeyEvent(event);
+                }
+
                 if (event.getAction() == KeyEvent.ACTION_DOWN
                         && event.getRepeatCount() == 0) {
                     KeyEvent.DispatcherState state = getKeyDispatcherState();