Merge "Clarify format BLOB locking" am: 66cf5123 am: c764d58e am: 36c65361

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2381019



Change-Id: I475aa5d0f415480aa1d9d8c599c55c4c8c0dceaf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>