Merge "Use RectFSpringAnim for auto-enter-pip" into sc-dev am: e3bfeddd04 am: 1c56a26f82

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

Change-Id: I8d99ea8333e01be14f813e04c6d83a542f72eb32