BufferingSettings: hook up internal BufferingSettings API.

Test: compiles
Bug: 32524218

Change-Id: I4b3f1689681560f0c1af3bfc62adee1ce630e218
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
index 5197167..5ee0712 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
@@ -63,6 +63,10 @@
         : mNotify(notify) {
     }
 
+    virtual status_t getDefaultBufferingSettings(
+            BufferingSettings* buffering /* nonnull */) = 0;
+    virtual status_t setBufferingSettings(const BufferingSettings& buffering) = 0;
+
     virtual void prepareAsync() = 0;
 
     virtual void start() = 0;