Convert IAudioTrack to AIDL

Test: Audio-related CTS tests from CtsMediaTestCases
Change-Id: Ia021b9152cf0cb62e3d1999f9c6184601efd2a93
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 959e858..a7f0980 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -757,9 +757,9 @@
 
 // IAudioFlinger interface
 
-sp<IAudioTrack> AudioFlinger::createTrack(const media::CreateTrackRequest& _input,
-                                          media::CreateTrackResponse& _output,
-                                          status_t* status)
+sp<media::IAudioTrack> AudioFlinger::createTrack(const media::CreateTrackRequest& _input,
+                                                 media::CreateTrackResponse& _output,
+                                                 status_t* status)
 {
     // Local version of VALUE_OR_RETURN, specific to this method's calling conventions.
 #define VALUE_OR_EXIT(expr)         \