Have AlphaUpdateListener update visibility in onAnimationEnd() am: 26ab4621ce am: 96cb92075e

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14882859

Change-Id: I77b001d31e62f5abf06f7753eb32e05d7aee01a2