[Thread] split the configuration and the infra link state

This CL works with the corresponding ot-br-posix CL to separate the
config and the infra link state. In this way,
ThreadNetworkControllerService will call different APIs to send the
config/state to ot-daemon.

Bug: 362172947

Change-Id: Iae98325358f81ea2ff0c672577cc21a128ae049a
1 file changed