DO NOT MERGE: Prevent non-system IME from becoming device admin am: 9260c67352 am: 4a5e1a4d3f

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/23545057

Change-Id: I6c689260a1ce82baee992262c0ea32512d758c37
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>