stagefright: post audio EOS in NuPlayerRenderer if getPosition fails

bug: 20071480
Change-Id: I81f2a1fea0daa694a61be7f4a6d70d6847e9f183
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h
index c2fea40..3e65649 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h
@@ -208,6 +208,7 @@
     size_t fillAudioBuffer(void *buffer, size_t size);
 
     bool onDrainAudioQueue();
+    void drainAudioQueueUntilLastEOS();
     int64_t getPendingAudioPlayoutDurationUs(int64_t nowUs);
     int64_t getPlayedOutAudioDurationUs(int64_t nowUs);
     void postDrainAudioQueue_l(int64_t delayUs = 0);