Set StatusBar window to FOCUSABLE when input transfer focus needs happening
Bug: 136507412
Test: manual

Change-Id: Ic59a7a9da714e5b50f5f814ec2c561f2e7933d55
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
index 55f61fa..68916b6 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
@@ -1937,6 +1937,7 @@
 
         if (start) {
             mNotificationPanel.startWaitingForOpenPanelGesture();
+            setPanelExpanded(true);
         } else {
             mNotificationPanel.stopWaitingForOpenPanelGesture();
         }