Merge "Nullify mParallelRunningAnim after it ends to avoid updating it" into sc-v2-dev am: b574095bf8 am: ea1d6f9796

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15406133

Change-Id: Id74b58f9985376be37db4d3347e9f8efd3a854e4