Porting DTMF post dial wait feature.

Bug: 10459289
Change-Id: Ib279fcdf71857abae218b70081f7da569901d80c
diff --git a/src/com/android/phone/CallCommandService.java b/src/com/android/phone/CallCommandService.java
index 72273ee..aaa3190 100644
--- a/src/com/android/phone/CallCommandService.java
+++ b/src/com/android/phone/CallCommandService.java
@@ -220,4 +220,20 @@
             Log.e(TAG, "Error setting the audio mode.", e);
         }
     }
+
+    @Override
+    public void postDialCancel(int callId) throws RemoteException {
+        final CallResult result = mCallModeler.getCallWithId(callId);
+        if (result != null) {
+            result.getConnection().cancelPostDial();
+        }
+    }
+
+    @Override
+    public void postDialWaitContinue(int callId) throws RemoteException {
+        final CallResult result = mCallModeler.getCallWithId(callId);
+        if (result != null) {
+            result.getConnection().proceedAfterWaitChar();
+        }
+    }
 }