Merge "Check okToAnimate for TaskFragment change transition" into sc-v2-dev am: ec0c08c771 am: 07423d6c4e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16259578

Change-Id: Ie82e4aeda753dc10c674a2645ef6c348c24e24f2