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

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



Change-Id: Id08b74e74b488a8c1dcd7b5f6359fdfb6c852da6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>