BufferingSettings: simplify buffering control.

Now only 2 marks, initialMarkMs and resumPlaybackMarkMs, remain.
Test: pass cts tests
Bug: 36280094
Change-Id: I03c8e2a0db9f7e845f57e76f51874cd8715a48d4
diff --git a/media/libmediaplayerservice/include/MediaPlayerInterface.h b/media/libmediaplayerservice/include/MediaPlayerInterface.h
index 1bd9a88..a03884f 100644
--- a/media/libmediaplayerservice/include/MediaPlayerInterface.h
+++ b/media/libmediaplayerservice/include/MediaPlayerInterface.h
@@ -185,7 +185,7 @@
     virtual status_t    setVideoSurfaceTexture(
                                 const sp<IGraphicBufferProducer>& bufferProducer) = 0;
 
-    virtual status_t    getDefaultBufferingSettings(
+    virtual status_t    getBufferingSettings(
                                 BufferingSettings* buffering /* nonnull */) {
         *buffering = BufferingSettings();
         return OK;