[automerger skipped] Add subscribe to VHAL proto. am: 5c846f7c am: 89ab8c76 -s ours

am skip reason: Merged-In I4f02885b77f21a215a8b282be583f76118e400ba with SHA-1 f1a86905 is already in history

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3096234



Change-Id: I24135f4ea127c6d3741ecaf22f40257023c1402c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>