Merge "Cleanup: use shared apex_key (wifi HAL APEX)" into main am: de82b61de8 am: 8f26c19e6e am: 5b0414899e

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

Change-Id: I8c2fe3cb79116ac875d7c80d0e1be8825fe31626
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>