Add unit tests for protocol downgrade prevention am: f6bb54baf0 am: 0e52eb6f01

Original change: https://android-review.googlesource.com/c/platform/system/authgraph/+/2791821

Change-Id: I794c337c47a22d2f60465f92973dfede7cb5fb65
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
tree: 40f5534d3cf77908086c6b3c224a9a00e95df7ad
  1. boringssl/
  2. core/
  3. derive/
  4. hal/
  5. tests/
  6. wire/
  7. .gitignore
  8. Android.bp
  9. NOTICE
  10. PREUPLOAD.cfg