Merge "Remove shadows from app launch animation" into sc-dev am: 4e760601d5 am: 50ac504581 am: fd1d6057a2

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

Change-Id: Ia5db588b2f7a2b0215cfac9bfa444764319e9eda