mediaplayer: add buffering settings API

Test: compiles, checked that params is passed all the way to source.
Bug:32524218
Change-Id: I637d1ab09f94a3830a33a39e7e9f1b3efb22357f
diff --git a/media/libmedia/mediaplayer.cpp b/media/libmedia/mediaplayer.cpp
index 699172b..6bba1f1 100644
--- a/media/libmedia/mediaplayer.cpp
+++ b/media/libmedia/mediaplayer.cpp
@@ -244,6 +244,28 @@
     return mPlayer->setVideoSurfaceTexture(bufferProducer);
 }
 
+status_t MediaPlayer::getDefaultBufferingSettings(BufferingSettings* buffering /* nonnull */)
+{
+    ALOGV("getDefaultBufferingSettings");
+
+    Mutex::Autolock _l(mLock);
+    if (mPlayer == 0) {
+        return NO_INIT;
+    }
+    return mPlayer->getDefaultBufferingSettings(buffering);
+}
+
+status_t MediaPlayer::setBufferingSettings(const BufferingSettings& buffering)
+{
+    ALOGV("setBufferingSettings");
+
+    Mutex::Autolock _l(mLock);
+    if (mPlayer == 0) {
+        return NO_INIT;
+    }
+    return mPlayer->setBufferingSettings(buffering);
+}
+
 // must call with lock held
 status_t MediaPlayer::prepareAsync_l()
 {