Merge TaskStack and ActivityStack into one class (68/n)

Merge TaskStack and ActivityStack into one class.

Bug: 80414790
Test: Existing tests pass
Change-Id: I96fd5137cb868f277581b6c6d719d63fe2a8c677
diff --git a/services/core/java/com/android/server/wm/WindowContainer.java b/services/core/java/com/android/server/wm/WindowContainer.java
index cf3e2bb..3a6f1a4 100644
--- a/services/core/java/com/android/server/wm/WindowContainer.java
+++ b/services/core/java/com/android/server/wm/WindowContainer.java
@@ -92,16 +92,16 @@
 
     private static final String TAG = TAG_WITH_CLASS_NAME ? "WindowContainer" : TAG_WM;
 
-    /** Animation layer that happens above all animating {@link TaskStack}s. */
+    /** Animation layer that happens above all animating {@link ActivityStack}s. */
     static final int ANIMATION_LAYER_STANDARD = 0;
 
-    /** Animation layer that happens above all {@link TaskStack}s. */
+    /** Animation layer that happens above all {@link ActivityStack}s. */
     static final int ANIMATION_LAYER_BOOSTED = 1;
 
     /**
      * Animation layer that is reserved for {@link WindowConfiguration#ACTIVITY_TYPE_HOME}
      * activities and all activities that are being controlled by the recents animation. This
-     * layer is generally below all {@link TaskStack}s.
+     * layer is generally below all {@link ActivityStack}s.
      */
     static final int ANIMATION_LAYER_HOME = 2;