Merge "trusty: apploader: fail specifically if app package is 0 bytes" into main am: e5bb7ef2

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2863846



Change-Id: Ia4d2f281d64499405537661e25f42cc9aafbae6d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>