Fix incompatiblity issue with upstream open-dice am: cb12319644

Original change: https://android-review.googlesource.com/c/trusty/lib/+/3332921

Change-Id: I189a5c16a3d6f344ccf691c480fa9a5c27f66b6a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>