Merge "Updated aidl doc w/ regard to lockout." into udc-dev am: 4803c70715 am: 587f9bd0d0

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/21994559

Change-Id: Ia747e2da8745f4ce0ab8c58a5ed42aa02f9978bc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>