Hide the task icon during quick switch from home

Test: manual
Fixes: 238753582
Change-Id: Ic1badf4479c5273fd4d182ef7da04797885a6a36

quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java

@@ -232,6 +232,7 @@ public class NoButtonQuickSwitchTouchController implements TouchController,
         mRecentsView.setFullscreenProgress(fromState.getOverviewFullscreenProgress());
         mLauncher.getActionsView().getVisibilityAlpha().setValue(
                 (fromState.getVisibleElements(mLauncher) & OVERVIEW_ACTIONS) != 0 ? 1f : 0f);
+        mRecentsView.setTaskIconScaledDown(true);
 
         float[] scaleAndOffset = toState.getOverviewScaleAndOffset(mLauncher);
         // As we drag right, animate the following properties:
@@ -321,6 +322,7 @@ public class NoButtonQuickSwitchTouchController implements TouchController,
         boolean verticalFling = mSwipeDetector.isFling(velocity.y);
         boolean noFling = !horizontalFling && !verticalFling;
         if (mMotionPauseDetector.isPaused() && noFling) {
+            // Going to Overview.
             cancelAnimations();
 
             StateAnimationConfig config = new StateAnimationConfig();
@@ -331,6 +333,8 @@ public class NoButtonQuickSwitchTouchController implements TouchController,
                 @Override
                 public void onAnimationEnd(Animator animation) {
                     onAnimationToStateCompleted(OVERVIEW);
+                    // Animate the icon after onAnimationToStateCompleted() so it doesn't clobber.
+                    mRecentsView.animateUpTaskIconScale();
                 }
             });
             overviewAnim.start();