Merge "Don't panic if no certificates found" into udc-dev am: 16ef197d am:...

Merge "Don't panic if no certificates found" into udc-dev am: 16ef197d am: 6fc87b36 am: e35b8b28

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/soong/+/23297153



Change-Id: I517bc23c77d79590a61aa605d19e8b87acfd2ae6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>