Rename Stack to Task related terms (7/n)

- Renaming PinnedStack to PinnedTask
- Renaming DockedStack to DockedTask

Bug: 157876447
Test: presubmit
Change-Id: I51c10564647ed0d46eddc0c51a1ee06eef897e43

core/java/android/view/IPinnedTaskListener.aidl

@@ -23,11 +23,11 @@ import android.graphics.Rect;
 import android.view.DisplayInfo;
 
 /**
- * Listener for changes to the pinned stack made by the WindowManager.
+ * Listener for changes to the pinned task made by the WindowManager.
  *
  * @hide
  */
-oneway interface IPinnedStackListener {
+oneway interface IPinnedTaskListener {
 
     /**
      * Called when the window manager has detected a change that would cause the movement bounds

core/java/android/view/IWindowManager.aidl

@@ -36,13 +36,12 @@ import android.service.screenshot.ScreenshotHash;
 import android.view.DisplayCutout;
 import android.view.IApplicationToken;
 import android.view.IAppTransitionAnimationSpecsFuture;
-import android.view.IDockedStackListener;
 import android.view.IDisplayWindowInsetsController;
 import android.view.IDisplayWindowListener;
 import android.view.IDisplayFoldListener;
 import android.view.IDisplayWindowRotationController;
 import android.view.IOnKeyguardExitResult;
-import android.view.IPinnedStackListener;
+import android.view.IPinnedTaskListener;
 import android.view.IScrollCaptureCallbacks;
 import android.view.RemoteAnimationAdapter;
 import android.view.IRotationWatcher;
@@ -445,12 +444,12 @@ interface IWindowManager
      * Sets the region the user can touch the divider. This region will be excluded from the region
      * which is used to cause a focus switch when dispatching touch.
      */
-    void setDockedStackDividerTouchRegion(in Rect touchableRegion);
+    void setDockedTaskDividerTouchRegion(in Rect touchableRegion);
 
     /**
-     * Registers a listener that will be called when the pinned stack state changes.
+     * Registers a listener that will be called when the pinned task state changes.
      */
-    void registerPinnedStackListener(int displayId, IPinnedStackListener listener);
+    void registerPinnedTaskListener(int displayId, IPinnedTaskListener listener);
 
     /**
      * Requests Keyboard Shortcuts from the displayed window.