[automerger skipped] Allow uninstalling DMRH when not used for management am: d45439369d -s ours am: 16cb55f0db -s ours

am skip reason: Merged-In I023f78cef11fb7e8e9a92e2896cf94c9fcd1113b with SHA-1 da522df805 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/29700289

Change-Id: I258a64350b0dd1ddd7d9bfafeff07a308137a3de
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>