Merge "Switch config to string array" into udc-dev am: 3b9e97a1

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22433018



Change-Id: Ic4340110f9c912645c65e0433dffb55c339cd207
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>