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: ab75daf7 am: 64dcd9d6

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



Change-Id: Icb43b61d6e670e88a93baa2f01dec4b77a1860ea
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>