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: f1fdf0ef am: f9e57940 am: 26ba2b4b

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



Change-Id: I39ad6af447f5cf6bd8f3bd15d871dfa016b74ac9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>