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 am: 251a271c

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



Change-Id: I29a80ce685fadff2d724e8095a24ce2dea8c0cef
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>