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

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



Change-Id: Ibb038f63ba093c8efc8279477b1577f3f4077b3a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>