Merge "Avoid crashing when no nanoapp preploaded" into udc-dev am: 4ce57312 am: 3a811e95

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21559187



Change-Id: If3f96ee4b18fd2430ff3b64b3dcb73f98c538f95
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>