BufferingSettings: hook up internal BufferingSettings API.

Test: compiles
Bug: 32524218

Change-Id: I4b3f1689681560f0c1af3bfc62adee1ce630e218
diff --git a/media/libmediaplayerservice/nuplayer/StreamingSource.h b/media/libmediaplayerservice/nuplayer/StreamingSource.h
index db88c7f..2e1d2b3 100644
--- a/media/libmediaplayerservice/nuplayer/StreamingSource.h
+++ b/media/libmediaplayerservice/nuplayer/StreamingSource.h
@@ -32,6 +32,10 @@
             const sp<AMessage> &notify,
             const sp<IStreamSource> &source);
 
+    virtual status_t getDefaultBufferingSettings(
+            BufferingSettings* buffering /* nonnull */) override;
+    virtual status_t setBufferingSettings(const BufferingSettings& buffering) override;
+
     virtual void prepareAsync();
     virtual void start();