Porting DTMF post dial wait feature.

Bug: 10459289
Change-Id: Ib279fcdf71857abae218b70081f7da569901d80c
diff --git a/src/com/android/phone/BluetoothManager.java b/src/com/android/phone/BluetoothManager.java
index dd38632..c2b4f7d 100644
--- a/src/com/android/phone/BluetoothManager.java
+++ b/src/com/android/phone/BluetoothManager.java
@@ -27,8 +27,6 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
-import android.os.Handler;
-import android.os.Message;
 import android.os.SystemClock;
 import android.os.SystemProperties;
 import android.util.Log;
@@ -36,7 +34,6 @@
 import com.android.internal.telephony.CallManager;
 import com.android.services.telephony.common.Call;
 
-import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -419,6 +416,11 @@
         updateBluetoothIndication();
     }
 
+    @Override
+    public void onPostDialWait(int callId, String chars) {
+        // no-op
+    }
+
     private void log(String msg) {
         Log.d(LOG_TAG, msg);
     }