Merge "Cleanup: use shared apex_key (wifi HAL APEX)" into main am: de82b61de8 am: 8f26c19e6e

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2780370

Change-Id: I3984a5d2eb5593ce11cb5cb38dd4463135eb317c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>