automerge: 4f68c0c
* commit '4f68c0c1d8811d610021d97839af303c2752eff2':
IMS: add the api to get IMS registration information.
automerge: 4f68c0c
* commit '4f68c0c1d8811d610021d97839af303c2752eff2':
IMS: add the api to get IMS registration information.