NuPlayer: use getTimestamp instead of getPosition

Bug: 14659809
Bug: 16985287
Change-Id: I59ec72fbd40a9b8d28fe548ddad082c03000c045
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h
index 5c7d2d7..2b32c48 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h
@@ -130,7 +130,8 @@
     size_t fillAudioBuffer(void *buffer, size_t size);
 
     bool onDrainAudioQueue();
-    int64_t getAudioPendingPlayoutUs();
+    int64_t getPendingAudioPlayoutDurationUs(int64_t nowUs);
+    int64_t getPlayedOutAudioDurationUs(int64_t nowUs);
     void postDrainAudioQueue_l(int64_t delayUs = 0);
 
     void onDrainVideoQueue();