Adding onUpdate from ICallHandlerService.

Change-Id: I44884a99dcf90272ae56f1f15490ef7562df1295
diff --git a/InCallUI/src/com/android/incallui/CallHandlerService.java b/InCallUI/src/com/android/incallui/CallHandlerService.java
index 41fdf69..31d278b 100644
--- a/InCallUI/src/com/android/incallui/CallHandlerService.java
+++ b/InCallUI/src/com/android/incallui/CallHandlerService.java
@@ -25,6 +25,8 @@
 import com.android.services.telephony.common.ICallCommandService;
 import com.android.services.telephony.common.ICallHandlerService;
 
+import java.util.List;
+
 /**
  * Service used to listen for call state changes.
  */
@@ -66,7 +68,8 @@
         public void onDisconnect(Call call) {
         }
 
-        public void onCallUpdate(Call call) {
+        @Override
+        public void onUpdate(List<Call> call) {
         }
     };