Merge "Use RectFSpringAnim for auto-enter-pip" into sc-dev am: e3bfeddd04 am: c4b1a50a70

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14984847

Change-Id: Ia3579df6a6843101840ba33c6c85048e2127575e