Move control block mName to createTrack() output

This is part of a series of CLs to clean up the shared memory
control block, by removing any fields that don't have to be there.

Change-Id: I6e51003a1293b6800258c31b22cff2eba42162e7
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index eee5da5..d99b779 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -108,6 +108,7 @@
                                 audio_io_handle_t output,
                                 pid_t tid,
                                 int *sessionId,
+                                String8& name,
                                 status_t *status);
 
     virtual sp<IAudioRecord> openRecord(