An interface to the Authenticator specialization of RegisteredServicesCache. The use of
this interface by the AccountManagerService makes it easier to unit test it.
Accessor for the {@link android.content.pm.RegisteredServicesCache.ServiceInfo} that
matched the specified {@link android.accounts.AuthenticatorDescription} or null
if none match.
param
type the authenticator type to return
return
the {@link android.content.pm.RegisteredServicesCache.ServiceInfo} that
matches the account type or null if none is present