Prevent removing the feedback view and callbacks when the user completes a gesture.

Touching the screen immediately removed the feedback view and any callbacks attached. When the user successfully completed a gesture, one of those callbacks progresses the tutorial to its next step.

Fixes: 226028473
Test: manual
Change-Id: Ic432a5b73aa4410cb0188f50a57e3df637afb52d

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

@@ -325,7 +325,7 @@ abstract class TutorialFragment extends Fragment implements OnTouchListener {
 
     @Override
     public boolean onTouch(View view, MotionEvent motionEvent) {
-        if (mTutorialController != null) {
+        if (mTutorialController != null && !isGestureComplete()) {
             mTutorialController.hideFeedback();
         }
         // Note: Using logical-or to ensure both functions get called.