Merge "Fixing NullPointerException in TaskbarUIController" into main

    public void onTaskbarIconLaunched(ItemInfo item) {

        // When launching from Taskbar, e.g. from Overview, set FLAG_IN_APP immediately instead of

        // waiting for onPause, to reduce potential visual noise during the app open transition.

        if (mControllers.taskbarStashController == null) return;

        mControllers.taskbarStashController.updateStateForFlag(FLAG_IN_APP, true);

        mControllers.taskbarStashController.applyState();

    }