[automerger skipped] Merge "Align the duration of task exit animation to enter animation" into sc-qpr1-dev am: 48ffdb20 am: 688cb008 -s ours

am skip reason: Merged-In Iefa134e4217ba35d33801225368b7a5df60d932c with SHA-1 da4272ec is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15951266

Change-Id: If9e7723bbf4e88468cf73107f518204e80a9cece