Update connectionAvailable in ImsStateCallabackController

The subId need to be propogated all the way
to FeatureConnector.Listener#connectionReady
so that classes can listen to changes in subId directly.

Bug: 213863350
Test: atest
Change-Id: I37dfdf5537d76046f0301a18e365a5f96531efe1
Merged-In: I37dfdf5537d76046f0301a18e365a5f96531efe1
2 files changed