Merge "Hide the stop button for the device admin app in the task manager" into tm-dev am: d62d63b2 am: 86af120e am: 4d08e650 am: 49c0a30a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18567918



Change-Id: I58fe11a0aa5655d2b8541873145daa315e81492f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>