Merge "Prevent non-admin users from deleting system apps." into rvc-dev am:...

Merge "Prevent non-admin users from deleting system apps." into rvc-dev am: 71fad59e am: 476be4be am: 916d292b am: fee26edc

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19570390



Change-Id: I4ccd3835f580a9b313509737d2ff755892e9bb81
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>