Add SysUiProxy method to start transition on desktop task launch.

This forces the task to correctly start the TRANSIT_OPEN transiiton in
Desktop mode when launching an intent from the taskbar and prevent it
from opening in full screen.

Fixes: 361366053
Test: manual test
Flag: EXEMPT bugfix
Change-Id: I6d59705aa55745c3425266dacbb012dd4e2b1b03

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

@@ -795,7 +795,8 @@ public class TaskbarManager {
     private TaskbarActivityContext createTaskbarActivityContext(DeviceProfile dp, int displayId) {
         TaskbarActivityContext newTaskbar = new TaskbarActivityContext(mWindowContext,
                 mNavigationBarPanelContext, dp, mDefaultNavButtonController,
-                mUnfoldProgressProvider, isDefaultDisplay(displayId));
+                mUnfoldProgressProvider, isDefaultDisplay(displayId),
+                SystemUiProxy.INSTANCE.get(mWindowContext));
 
         addTaskbarToMap(displayId, newTaskbar);
         return newTaskbar;