Don't play animation when docking stack with affordance

Change-Id: I1bb8ae4047e3de3a4ea159e7fad718914b9b5ba7
diff --git a/services/core/java/com/android/server/wm/AppWindowToken.java b/services/core/java/com/android/server/wm/AppWindowToken.java
index 3f4eaac..425ff9b 100644
--- a/services/core/java/com/android/server/wm/AppWindowToken.java
+++ b/services/core/java/com/android/server/wm/AppWindowToken.java
@@ -128,6 +128,8 @@
     boolean mWillReplaceWindow;
     // If true, the replaced window was already requested to be removed.
     boolean mReplacingRemoveRequested;
+    // Whether the replacement of the window should trigger app transition animation.
+    boolean mAnimateReplacingWindow;
     // If not null, the window that will be used to replace the old one. This is being set when
     // the window is added and unset when this window reports its first draw.
     WindowState mReplacingWindow;