Merge "Cleanup: use shared apex_key" into main am: 6693205f17 am: 70338b35b9

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2780311

Change-Id: I3c59055d560f419e55073cdcfe50932cfa500751
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>