Merge "Document that the component version can be a string" am: de49fca027 am: f82e894f01

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2513920

Change-Id: Icc02348e2e8dc789674a4220183624bb66a9dd17
Signed-off-by: Automerger Merge Worker <[email protected]>