Remove some values is Access_Control_Type. Remove variant in policies, the ones that apply to communication don't need it. Make SupportedPolicies a list of channel type groups and the policies they support.
Remove some values is Access_Control_Type.
Remove variant in policies, the ones that apply to communication don't need it.
Make SupportedPolicies a list of channel type groups and the policies they support.

freedesktop-unofficial-mirror/telepathy__telepathy-spec,TelepathyIM/telepathy-spec