Implement remote display service stubs.

Change-Id: I582ed000026bba6d116db8304e15a3c52f8a9a01
diff --git a/media/libmediaplayerservice/MediaPlayerService.cpp b/media/libmediaplayerservice/MediaPlayerService.cpp
index 166bae9..ae55642 100644
--- a/media/libmediaplayerservice/MediaPlayerService.cpp
+++ b/media/libmediaplayerservice/MediaPlayerService.cpp
@@ -44,6 +44,8 @@
 #include <utils/SystemClock.h>
 #include <utils/Vector.h>
 
+#include <media/IRemoteDisplay.h>
+#include <media/IRemoteDisplayClient.h>
 #include <media/MediaPlayerInterface.h>
 #include <media/mediarecorder.h>
 #include <media/MediaMetadataRetrieverInterface.h>
@@ -279,6 +281,12 @@
     return new Crypto;
 }
 
+sp<IRemoteDisplay> MediaPlayerService::listenForRemoteDisplay(
+        const sp<IRemoteDisplayClient>& client, const String8& iface) {
+    // TODO: implement me!
+    return NULL;
+}
+
 status_t MediaPlayerService::enableRemoteDisplay(const char *iface) {
     Mutex::Autolock autoLock(mLock);