Merge "[Settings] Remove access of TelecomManager.from()"

am: 90544355cd

Change-Id: I4fe4009ffd33e2610d0c4bc8382ae8534c07a661

src/com/android/settings/network/telephony/MobileNetworkUtils.java

@@ -133,7 +133,8 @@ public class MobileNetworkUtils {
      */
     public static boolean isWifiCallingEnabled(Context context, int subId) {
         final PhoneAccountHandle simCallManager =
-                TelecomManager.from(context).getSimCallManagerForSubscription(subId);
+                context.getSystemService(TelecomManager.class)
+                       .getSimCallManagerForSubscription(subId);
         final int phoneId = SubscriptionManager.getSlotIndex(subId);
 
         boolean isWifiCallingEnabled;