From 28e9960de1cc2124b9fe853d7567421d3bab79dd Mon Sep 17 00:00:00 2001
From: Vishnu Nair <vishnun@google.com>
Date: Wed, 31 Jul 2019 13:34:18 -0700
Subject: [PATCH] Fix window flags being assinged incorrectly when checking for
 changes

Test: go/wm-smoke
Test: presubmit tests
Change-Id: I3d382e261dfb890fa8fbe4f3f6cc9f0cb3c99713
---
 .../core/java/com/android/server/wm/WindowManagerService.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index fbdc54a2435b6..191a96bc9f1eb 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -2033,7 +2033,7 @@ public class WindowManagerService extends IWindowManager.Stub
                     attrs.height = win.mAttrs.height;
                 }
 
-                flagChanges = win.mAttrs.flags ^= attrs.flags;
+                flagChanges = win.mAttrs.flags ^ attrs.flags;
                 attrChanges = win.mAttrs.copyFrom(attrs);
                 if ((attrChanges & (WindowManager.LayoutParams.LAYOUT_CHANGED
                         | WindowManager.LayoutParams.SYSTEM_UI_VISIBILITY_CHANGED)) != 0) {