Emergency redial implementation

Define connection event to notify
Telecom/InCallUi about change in
account handle after redial and extra
for emergency phone handle.

Bug: 27059146
Change-Id: Ie72ab2901ec05d972204ed11f115a05b79173c1d
diff --git a/telecomm/java/android/telecom/RemoteConnectionService.java b/telecomm/java/android/telecom/RemoteConnectionService.java
index 06cdd1a..2cc4314 100644
--- a/telecomm/java/android/telecom/RemoteConnectionService.java
+++ b/telecomm/java/android/telecom/RemoteConnectionService.java
@@ -208,6 +208,11 @@
         }
 
         @Override
+        public void onPhoneAccountChanged(String callId, PhoneAccountHandle pHandle,
+                Session.Info sessionInfo) {
+        }
+
+        @Override
         public void addConferenceCall(
                 final String callId, ParcelableConference parcel, Session.Info sessionInfo) {
             RemoteConference conference = new RemoteConference(callId,