Use audio_policy_output_flags_t consistently

Change-Id: I425cfd442257560dcf141d3d8599ddc7d21c1d13
diff --git a/libvideoeditor/lvpp/VideoEditorPlayer.cpp b/libvideoeditor/lvpp/VideoEditorPlayer.cpp
index cb2edde..57cab08 100755
--- a/libvideoeditor/lvpp/VideoEditorPlayer.cpp
+++ b/libvideoeditor/lvpp/VideoEditorPlayer.cpp
@@ -435,7 +435,7 @@
                 format,
                 channelMask,
                 frameCount,
-                0 /* flags */,
+                AUDIO_POLICY_OUTPUT_FLAG_NONE,
                 CallbackWrapper,
                 this);
     } else {