Merge "Integrate split pair cold launch transition with shell transition" into...

Merge "Integrate split pair cold launch transition with shell transition" into tm-qpr-dev am: 4322190a am: f3d0d066

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/19467311



Change-Id: I603efb13f3e6f2d7b9f536e6455fa51e4c1fe789
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>