AuthGraph: add fuzzer am: 6fb22dc9ef am: db141272d4

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2817763

Change-Id: I994d4d8bdd626d3ac5e26a39532e088c1fc553b6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>