When add_links() still has suppliers that it needs to link to in the
future, this patch allows it to differentiate between suppliers that are
needed for probing vs suppliers are needed for sync_state() correctness.
Signed-off-by: Saravana Kannan <saravanak@google.com>
Bug: 142657042
Change-Id: If8b2a11dc6d815287c9242aea0ee1c26ef316d96