Merge "Hide the stop button for the device admin app in the task manager" into tm-dev am: d62d63b26a am: 86af120e9e

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

Change-Id: I1237f9f957497abd19adf191e68e8db691a8213f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>