Merge "Cleanup: use shared apex_key (vibrator HAL APEX)" into main am: 62ba8b5bbe am: 3bde3289c6 am: 272e91ce44 am: a7ab523b73

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2780371

Change-Id: Id3e55c4b5c8f07b18f7518f64550e7c12283bd33
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>