mediaplayer: remove unused parameter needNotify in NuPlayer::performSeek.

Change-Id: I5ee4c3ba968a2ac52266cda0425d1a709e5c0fb2
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.h b/media/libmediaplayerservice/nuplayer/NuPlayer.h
index df9debc..f417f48 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayer.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayer.h
@@ -250,7 +250,7 @@
 
     void processDeferredActions();
 
-    void performSeek(int64_t seekTimeUs, bool needNotify);
+    void performSeek(int64_t seekTimeUs);
     void performDecoderFlush(FlushCommand audio, FlushCommand video);
     void performReset();
     void performScanSources();