Merge "Keep splitting tasks in the background with shell transition" into udc-dev am: 026f3296

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22994256



Change-Id: I002d4b5f9de76719b1f58396104d05d23b7f10cc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>