Merge "Remove shadows from app launch animation" into sc-dev am: 4e760601d5 am: fe43e316ae am: 3ec075630b

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14637247

Change-Id: I8f0802d276e2da65bd7768e2ec0f4e7c77491beb