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: I89631b471609af8c306d2d241891a4f391d96071
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>