e6fd49588f
This CL keeps the pattern of "MobileIcons/MobileIcon" to distinguish 2 layers of MobileConnection repositories here: `MobileConnectionsRepository` and `MobileConnectionRepository`. This allows us to use ad-hoc repository classes to track state from `TelephonyManager` objects created using `TelephonyManager#createForSubscriptionId`. The intention now is that the top-level repository will track and cache the child repos as needed, and remove its cache when the subscription list changes such that they no longer track valid subIds. Downstream observers will still have to be cleaned up via the UiAdapter, which will close the observed data streams. Test: atest MobileConnectionRepositoryTest Bug: 240492102 Change-Id: Id53733ac8a84869a57133b2e0055105a716a219d