Initialize the focused proxy window to -1/UNDEFINED_WINDOW_ID.

It doesn't make sense to start as a valid window id and follows
the other window variables.

Bug: 273275840
Test: atest AccessibilityDisplayProxyTest
Change-Id: Id8d7cc117faee8431da67ed4fc824d793540ded4

1 files changed, 2 insertions, 1 deletions

diff --git a/services/accessibility/java/com/android/server/accessibility/AccessibilityWindowManager.java b/services/accessibility/java/com/android/server/accessibility/AccessibilityWindowManager.java
index 0e25a06b4727..baed181ebd43 100644
--- a/services/accessibility/java/com/android/server/accessibility/AccessibilityWindowManager.java
+++ b/services/accessibility/java/com/android/server/accessibility/AccessibilityWindowManager.java
@@ -201,7 +201,8 @@ public class AccessibilityWindowManager {
         private List<AccessibilityWindowInfo> mWindows;
         private boolean mTrackingWindows = false;
         private boolean mHasWatchOutsideTouchWindow;
-        private int mProxyDisplayAccessibilityFocusedWindow;
+        private int mProxyDisplayAccessibilityFocusedWindow =
+                AccessibilityWindowInfo.UNDEFINED_WINDOW_ID;
         private boolean mIsProxy;
 
         /**