Merge "Update recent tasks split pairs from split controller" into sc-v2-dev...

Merge "Update recent tasks split pairs from split controller" into sc-v2-dev am: 8f7d2534 am: 6ce867d9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16091991

Change-Id: I550b1f3ae781551b23caed80630d8ab5373c3c56