DO NOT MERGE: Prevent non-system IME from becoming device admin am: cb2b7530

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/23545222



Change-Id: Iaab0f378348324755deffaf9e585aa25a6b46e9d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>