Merge "Skip reading config file that does not exist" into udc-dev am: 5b61ce8f am: f460c3cd

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21493286



Change-Id: I9d2a32f587adfcd6fc58002bb0a7578d9c580d6f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>