Rename reg/unreg OnSubscriptionsChangedListener.

To addOnSubscriptionsChangedListener and
removeOnSubscriptionsChangedListener.

Bug: 18984103
Change-Id: I6636905093812af89c1c3702840e44c8c5ea891f
diff --git a/api/22.txt b/api/22.txt
index 1f86b03..64a16eb 100644
--- a/api/22.txt
+++ b/api/22.txt
@@ -28541,6 +28541,7 @@
     field public static final int MMS_ERROR_HTTP_FAILURE = 4; // 0x4
     field public static final int MMS_ERROR_INVALID_APN = 2; // 0x2
     field public static final int MMS_ERROR_IO_ERROR = 5; // 0x5
+    field public static final int MMS_ERROR_NO_DATA_NETWORK = 8; // 0x8
     field public static final int MMS_ERROR_RETRY = 6; // 0x6
     field public static final int MMS_ERROR_UNABLE_CONNECT_MMS = 3; // 0x3
     field public static final int MMS_ERROR_UNSPECIFIED = 1; // 0x1
@@ -28633,6 +28634,7 @@
   }
 
   public class SubscriptionManager {
+    method public void addOnSubscriptionsChangedListener(android.telephony.SubscriptionManager.OnSubscriptionsChangedListener);
     method public static android.telephony.SubscriptionManager from(android.content.Context);
     method public android.telephony.SubscriptionInfo getActiveSubscriptionInfo(int);
     method public int getActiveSubscriptionInfoCount();
@@ -28640,8 +28642,7 @@
     method public android.telephony.SubscriptionInfo getActiveSubscriptionInfoForSimSlotIndex(int);
     method public java.util.List<android.telephony.SubscriptionInfo> getActiveSubscriptionInfoList();
     method public boolean isNetworkRoaming(int);
-    method public void registerOnSubscriptionsChangedListener(android.telephony.SubscriptionManager.OnSubscriptionsChangedListener);
-    method public void unregisterOnSubscriptionsChangedListener(android.telephony.SubscriptionManager.OnSubscriptionsChangedListener);
+    method public void removeOnSubscriptionsChangedListener(android.telephony.SubscriptionManager.OnSubscriptionsChangedListener);
   }
 
   public static class SubscriptionManager.OnSubscriptionsChangedListener {