rename audio policy output flags

Change-Id: I27c46bd1d1b2b5f96b87af7d05b951fef18a1312
diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp
index 2596f07..4c41ba5 100644
--- a/media/libmedia/AudioSystem.cpp
+++ b/media/libmedia/AudioSystem.cpp
@@ -589,7 +589,7 @@
                                     uint32_t samplingRate,
                                     audio_format_t format,
                                     uint32_t channels,
-                                    audio_policy_output_flags_t flags)
+                                    audio_output_flags_t flags)
 {
     const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
     if (aps == 0) return 0;