Merge "Disable all providers if none selected" into udc-dev am: 762691c3

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/23086870



Change-Id: Iba03950d49b589d6224b755a1eea1a9fd708804e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>