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: I69471769ece56dd2d505f087d2ed3b585eb4b2d0

src/com/android/settings/sim/SimSettings.java

@@ -300,7 +300,7 @@ public class SimSettings extends RestrictedSettingsFragment implements Indexable
     private String getPhoneNumber(SubscriptionInfo info) {
         final TelephonyManager tm =
             (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
-        return tm.getLine1NumberForSubscriber(info.getSubscriptionId());
+        return tm.getLine1Number(info.getSubscriptionId());
     }
 
     private void log(String s) {