Merge "Cleanup: use shared apex_key (fingerprint APEX)" into main am: 52dec402f0

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2780313

Change-Id: Ie082b815a9f665be9d74bec8de555297e4c45a9c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>