rename audio policy output flags

Change-Id: I27c46bd1d1b2b5f96b87af7d05b951fef18a1312
diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h
index 471f462..f73a317 100644
--- a/include/media/AudioSystem.h
+++ b/include/media/AudioSystem.h
@@ -185,7 +185,7 @@
                                         uint32_t samplingRate = 0,
                                         audio_format_t format = AUDIO_FORMAT_DEFAULT,
                                         uint32_t channels = AUDIO_CHANNEL_OUT_STEREO,
-                                        audio_policy_output_flags_t flags = AUDIO_POLICY_OUTPUT_FLAG_NONE);
+                                        audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE);
     static status_t startOutput(audio_io_handle_t output,
                                 audio_stream_type_t stream,
                                 int session = 0);