Merge "Prevent uninstalling the device management role" into tm-qpr-dev am:...

Merge "Prevent uninstalling the device management role" into tm-qpr-dev am: 2c11df7f am: 94740ca9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20691226



Change-Id: Ie1cf541c26bde15fc92776087755437942cad1b9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>