Add capability for a connection hand rejection text response.

Change-Id: Id90417736bed7ab8750144ccaf3c7b449ec832b8
diff --git a/telecomm/java/android/telecom/ConnectionService.java b/telecomm/java/android/telecom/ConnectionService.java
index 383e45b..4e330bdb 100644
--- a/telecomm/java/android/telecom/ConnectionService.java
+++ b/telecomm/java/android/telecom/ConnectionService.java
@@ -101,6 +101,7 @@
     private static final int MSG_ANSWER_VIDEO = 17;
     private static final int MSG_MERGE_CONFERENCE = 18;
     private static final int MSG_SWAP_CONFERENCE = 19;
+    private static final int MSG_REJECT_WITH_MESSAGE = 20;
 
     private static Connection sNullConnection;
 
@@ -166,6 +167,14 @@
         }
 
         @Override
+        public void rejectWithMessage(String callId, String message) {
+            SomeArgs args = SomeArgs.obtain();
+            args.arg1 = callId;
+            args.arg2 = message;
+            mHandler.obtainMessage(MSG_REJECT_WITH_MESSAGE, args).sendToTarget();
+        }
+
+        @Override
         public void disconnect(String callId) {
             mHandler.obtainMessage(MSG_DISCONNECT, callId).sendToTarget();
         }
@@ -296,6 +305,15 @@
                 case MSG_REJECT:
                     reject((String) msg.obj);
                     break;
+                case MSG_REJECT_WITH_MESSAGE: {
+                    SomeArgs args = (SomeArgs) msg.obj;
+                    try {
+                        reject((String) args.arg1, (String) args.arg2);
+                    } finally {
+                        args.recycle();
+                    }
+                    break;
+                }
                 case MSG_DISCONNECT:
                     disconnect((String) msg.obj);
                     break;
@@ -681,6 +699,11 @@
         findConnectionForAction(callId, "reject").onReject();
     }
 
+    private void reject(String callId, String rejectWithMessage) {
+        Log.d(this, "reject %s with message", callId);
+        findConnectionForAction(callId, "reject").onReject(rejectWithMessage);
+    }
+
     private void disconnect(String callId) {
         Log.d(this, "disconnect %s", callId);
         if (mConnectionById.containsKey(callId)) {