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: 9de781b8 am: d0fa61e9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19458903



Change-Id: I2a684ca374436b836ec15470ce346926b70420bd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>