NuPlayer: Use deep buffer AudioTrack for video playback

This reduces power requirements and increases robustness against
audio glitches.

Test: Photos
Bug: 36867565
Change-Id: I200728cfc1bfd01301441c8759816415abe58d48
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.cpp b/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.cpp
index 9a2224e..300a8ea 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.cpp
@@ -762,8 +762,7 @@
         int64_t durationUs;
         bool hasVideo = (mSource->getFormat(false /* audio */) != NULL);
         if (getAudioDeepBufferSetting() // override regardless of source duration
-                || (!hasVideo
-                        && mSource->getDuration(&durationUs) == OK
+                || (mSource->getDuration(&durationUs) == OK
                         && durationUs > AUDIO_SINK_MIN_DEEP_BUFFER_DURATION_US)) {
             flags = AUDIO_OUTPUT_FLAG_DEEP_BUFFER;
         } else {