[automerger skipped] Merge "Update task transition animations" into sc-v2-dev...

[automerger skipped] Merge "Update task transition animations" into sc-v2-dev am: 5b3dce27 -s ours

am skip reason: Merged-In I037517d930e3425dc22ebab6f5df1968ebba5483 with SHA-1 49fa1851 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15897600

Change-Id: I089a55c270b1e4097d1a0ea38b2f5692f47dfd11