Add stub implementation of adding reg and cap callbacks. am: 415e6de1bf
am: d4d60253eb

Change-Id: I3eacd07c912f7ff61ca7a9da2738190f0c627a18
diff --git a/src/java/com/android/ims/ImsManager.java b/src/java/com/android/ims/ImsManager.java
index 48a3165..e508237 100644
--- a/src/java/com/android/ims/ImsManager.java
+++ b/src/java/com/android/ims/ImsManager.java
@@ -32,6 +32,8 @@
 import android.provider.Settings;
 import android.telecom.TelecomManager;
 import android.telephony.CarrierConfigManager;
+import android.telephony.ims.internal.feature.ImsFeature;
+import android.telephony.ims.stub.ImsRegistrationImplBase;
 import android.telephony.Rlog;
 import android.telephony.ServiceState;
 import android.telephony.SubscriptionManager;
@@ -2445,6 +2447,15 @@
                     ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
         }
     }
+
+    public void addRegistrationCallback(ImsRegistrationImplBase.Callback callback) {
+        // TODO: implement (coming in ag/3472519)
+    }
+
+    public void addCapabilitiesCallback(ImsFeature.CapabilityCallback callback) {
+        // TODO: implement (coming in ag/3472519)
+    }
+
     /**
      * Gets the Multi-Endpoint interface to subscribe to multi-enpoint notifications..
      *