Make connection events work for conferences

Pipe through the onConnectionEvent call between the conference host
connection and the android.telecom.Conference object.

Fixes: 130404376
Test: manual
Change-Id: Ifad3e59dc9764aa2efb2b9766271e18853bf1c76
diff --git a/telecomm/java/android/telecom/Conference.java b/telecomm/java/android/telecom/Conference.java
index 6382acf..6000b56 100644
--- a/telecomm/java/android/telecom/Conference.java
+++ b/telecomm/java/android/telecom/Conference.java
@@ -68,6 +68,7 @@
         public void onExtrasRemoved(Conference c, List<String> keys) {}
         public void onConferenceStateChanged(Conference c, boolean isConference) {}
         public void onAddressChanged(Conference c, Uri newAddress, int presentation) {}
+        public void onConnectionEvent(Conference c, String event, Bundle extras) {}
         public void onCallerDisplayNameChanged(
                 Conference c, String callerDisplayName, int presentation) {}
     }
@@ -1024,4 +1025,14 @@
         }
         onExtrasChanged(b);
     }
+
+    /**
+     * See {@link Connection#sendConnectionEvent(String, Bundle)}
+     * @hide
+     */
+    public void sendConnectionEvent(String event, Bundle extras) {
+        for (Listener l : mListeners) {
+            l.onConnectionEvent(this, event, extras);
+        }
+    }
 }
diff --git a/telecomm/java/android/telecom/ConnectionService.java b/telecomm/java/android/telecom/ConnectionService.java
index 9bafbe0..49b34b3 100644
--- a/telecomm/java/android/telecom/ConnectionService.java
+++ b/telecomm/java/android/telecom/ConnectionService.java
@@ -1279,6 +1279,14 @@
                 mAdapter.setCallerDisplayName(id, callerDisplayName, presentation);
             }
         }
+
+        @Override
+        public void onConnectionEvent(Conference c, String event, Bundle extras) {
+            String id = mIdByConference.get(c);
+            if (id != null) {
+                mAdapter.onConnectionEvent(id, event, extras);
+            }
+        }
     };
 
     private final Connection.Listener mConnectionListener = new Connection.Listener() {