Fix typo

Change-Id: I8cc2969eb329a830ee866622a8633adcb4e967cc
diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp
index 207f96f..0e5c149 100644
--- a/media/libmedia/AudioSystem.cpp
+++ b/media/libmedia/AudioSystem.cpp
@@ -510,7 +510,7 @@
 sp<AudioSystem::AudioPolicyServiceClient> AudioSystem::gAudioPolicyServiceClient;
 
 
-// establish binder interface to AudioFlinger service
+// establish binder interface to AudioPolicy service
 const sp<IAudioPolicyService>& AudioSystem::get_audio_policy_service()
 {
     gLock.lock();