Fix C++20 build am: 693745f801

Original change: https://android-review.googlesource.com/c/platform/system/keymaster/+/2858029

Change-Id: I4c04bdd4dc85dda1f87da5405ecc859246c07c8e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>