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

Merge "Revert "Request transtion when a task is removed"" into udc-dev am: 393c91bc am: 8e03e0d0

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



Change-Id: I44ec47532292cb4c58573d857bc09fe61d2224f1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>