Provide reason for moving task to front.

In WM Shell we want to be able to log the reason a task was unminimized,
with this CL we pass a reason from Launcher to WM Shell when bringing
the task to front.

Test: manual
Bug: 357985747
Flag: com.android.window.flags.enable_desktop_windowing_mode
Change-Id: I4a68f4d0d7eddb483a1473843b4cd91bd783d92f

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

@@ -38,7 +38,6 @@ import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.AnimatorListeners;
 import com.android.launcher3.desktop.DesktopAppLaunchTransition;
-import com.android.launcher3.desktop.DesktopAppLaunchTransition.AppLaunchType;
 import com.android.launcher3.taskbar.overlay.TaskbarOverlayContext;
 import com.android.launcher3.taskbar.overlay.TaskbarOverlayDragLayer;
 import com.android.launcher3.util.DisplayController;
@@ -50,6 +49,7 @@ import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.model.ThumbnailData;
 import com.android.systemui.shared.system.InteractionJankMonitorWrapper;
 import com.android.systemui.shared.system.QuickStepContract;
+import com.android.wm.shell.shared.desktopmode.DesktopTaskToFrontReason;
 
 import java.io.PrintWriter;
 import java.util.List;
@@ -293,6 +293,7 @@ public class KeyboardQuickSwitchViewController {
                 task,
                 remoteTransition,
                 mOnDesktop,
+                DesktopTaskToFrontReason.ALT_TAB,
                 onStartCallback,
                 onFinishCallback);
         return -1;