DO NOT MERGE : Unhiding MSIM APIs.

1. Unhide MSIM APIs in TelephonyManager that already have non-MSIM equivalent
   APIs public.
2. Make MSIM API naming consistent (overloaded, no suffix).
3. Unhide APIs in SubscriptionManager that are necessary for MSIM.

Bug: 26772894
Change-Id: I7a1826255370e9a8c7c62516eb49725dce377c8c
2 files changed