Merge "Revert "Request transtion when a task is removed"" into udc-dev am: 393c91bc

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22360518



Change-Id: I81eb0d501d0517a205991b040faccd9a48d3e5d4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>