Declare IAudioTrack methods in binder opcode order

This makes it easier to match up the declarations.

Change-Id: I0996c20b2903b778b356dfe52b07b0ec634855dd
diff --git a/include/media/IAudioTrack.h b/include/media/IAudioTrack.h
index 3fa2bf8..b83e552 100644
--- a/include/media/IAudioTrack.h
+++ b/include/media/IAudioTrack.h
@@ -35,6 +35,9 @@
 public: 
     DECLARE_META_INTERFACE(AudioTrack);
 
+    /* Get this track's control block */
+    virtual sp<IMemory> getCblk() const = 0;
+
     /* After it's created the track is not active. Call start() to
      * make it active. If set, the callback will start being called.
      */
@@ -67,8 +70,6 @@
      */
     virtual status_t    attachAuxEffect(int effectId) = 0;
 
-    /* get this track's control block */
-    virtual sp<IMemory> getCblk() const = 0;    
 };
 
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