Fix launching app animation from launcher all apps.

This cl includes
	- making pinned taskbar animate slide in/out animation from bottom of screen.
        - no icon aligment with hotseat when taksbar is pinned

The solution
	- upon state change applied on TaskbarLauncherStateController. offset taskbar background and icons to bottom of screeen and animate with slide in/out effects.

Test: manual, presubmit
Bug: 314279101
Flag: EXEMPT bugfix

Change-Id: Ife336ebd57eb2f60c2bc33ed6a4527c42111808f

quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java

@@ -120,7 +120,7 @@ public class TaskbarViewController implements TaskbarControllers.LoggableTaskbar
     private final TaskbarView mTaskbarView;
     private final MultiValueAlpha mTaskbarIconAlpha;
     private final AnimatedFloat mTaskbarIconScaleForStash = new AnimatedFloat(this::updateScale);
-    private final AnimatedFloat mTaskbarIconTranslationYForHome = new AnimatedFloat(
+    public final AnimatedFloat mTaskbarIconTranslationYForHome = new AnimatedFloat(
             this::updateTranslationY);
     private final AnimatedFloat mTaskbarIconTranslationYForStash = new AnimatedFloat(
             this::updateTranslationY);
@@ -796,6 +796,8 @@ public class TaskbarViewController implements TaskbarControllers.LoggableTaskbar
      */
     private AnimatorPlaybackController createIconAlignmentController(DeviceProfile launcherDp) {
         PendingAnimation setter = new PendingAnimation(100);
+        // icon alignment not needed for pinned taskbar.
+        if (DisplayController.isPinnedTaskbar(mActivity)) return setter.createPlaybackController();
         mOnControllerPreCreateCallback.run();
         DeviceProfile taskbarDp = mActivity.getDeviceProfile();
         Rect hotseatPadding = launcherDp.getHotseatLayoutPadding(mActivity);