Adds Settings button back to Back gesture tutorial.

Uses a simpler Intent which actually works :)

Fixes: 149348244
Bug: 148542211
Change-Id: I5e28c63d1eec93b4642e398c7532e7ec4809d6e2

quickstep/src/com/android/quickstep/interaction/HomeGestureTutorialController.java

@@ -60,7 +60,7 @@ final class HomeGestureTutorialController extends TutorialController {
     @Override
     Integer getActionButtonStringId() {
         if (mTutorialType == HOME_NAVIGATION_COMPLETE) {
-            return R.string.gesture_tutorial_action_button_label;
+            return R.string.gesture_tutorial_action_button_label_done;
         }
         return null;
     }