Merge "Set visibility when alpha == viewAlpha." into tm-qpr-dev am: b3e15776d5

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/18768181

Change-Id: Iee9f08a92518acf939e80014e3dbb42499aff566
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

src/com/android/launcher3/anim/AnimatedPropertySetter.java

@@ -43,9 +43,17 @@ public class AnimatedPropertySetter extends PropertySetter {
 
     @Override
     public Animator setViewAlpha(View view, float alpha, TimeInterpolator interpolator) {
-        if (view == null || view.getAlpha() == alpha) {
+        if (view == null) {
             return NO_OP;
         }
+
+        // Short-circuit if the view already has this alpha value, but make sure the visibility is
+        // set correctly for the requested alpha.
+        if (Float.compare(view.getAlpha(), alpha) == 0) {
+            AlphaUpdateListener.updateVisibility(view);
+            return NO_OP;
+        }
+
         ObjectAnimator anim = ObjectAnimator.ofFloat(view, View.ALPHA, alpha);
         anim.addListener(new AlphaUpdateListener(view));
         anim.setInterpolator(interpolator);